Patents
Sitemap › B42 - Bookbinding; Albums; Files; Special printed matter › B42F - Sheets temporarily attached together; Filing appliances; File cards; Indexing › B42F 13 - Filing appliances with means for engaging perforations or slots
Patents for B42F 13 - Filing appliances with means for engaging perforations or slots (4,768)
02/1984
02/07/1984CA1161721A1 Easel-style suspension binder
01/1984
01/24/1984US4427315 Device for the removal of paper from binders
01/03/1984US4423976 Improved binder
01/03/1984CA1159864A1 Device for the removal of paper from binders
12/1983
12/13/1983US4420271 Centerline-attached looseleaf notebook page lifter
12/13/1983US4420270 Visual display presentation box
12/07/1983EP0095856A2 Comprehensive, central scheduling folder for project management
11/1983
11/15/1983US4415290 Binder assembly of the ring type
11/15/1983US4415289 Self-locking nylon post
10/1983
10/25/1983US4411544 Post binder ball lock assembly
10/13/1983WO1983003388A1 Mechanism for rigid binder backs
09/1983
09/20/1983US4405250 Adjustable looseleaf binder
09/14/1983EP0088391A1 Holder for a stack of sheets
09/13/1983US4403883 Paper fastener device system
08/1983
08/23/1983US4400107 Suspension files and binders
08/10/1983EP0085547A1 Fasteners
08/09/1983US4397577 Snap-action one-piece clamping device
07/1983
07/26/1983US4395153 File
07/26/1983US4395059 Foldable posting board assembly
07/20/1983EP0083643A1 Portable desk and briefcase
06/1983
06/21/1983US4389060 Tabbed pocket for use in ring binder and wire bound books
06/07/1983CA1147773A1 Integrally molded covers and spines for looseleaf books
05/1983
05/10/1983US4382708 Paper compressor
03/1983
03/22/1983US4377271 Collapsible binders and the like
02/1983
02/15/1983US4373825 Looseleaf page lifter
01/1983
01/20/1983WO1983000120A1 Portable desk and briefcase
01/18/1983US4368995 Ring mechanism for loose-leaf binders
12/1982
12/28/1982US4365434 Display stand for sheet material such as photographs
12/07/1982CA1136946A1 Sheet lifter
11/1982
11/30/1982CA1136513A1 Collapsible binders and the like
10/1982
10/26/1982US4355916 Loose leaf binder
10/26/1982US4355821 Display binder
10/20/1982EP0063046A1 Improvements in or relating to stationery binders
10/12/1982CA1133352A1 Binding systems
10/05/1982US4352582 Loose leaf binder
09/1982
09/15/1982EP0060002A1 Filing appliance, especially for computer lists
09/14/1982US4349290 Loose leaf binder
09/14/1982US4349289 Loose leaf binder
08/1982
08/24/1982US4345394 Pocket sheet insert sheet assemblage and method of using the assemblage
07/1982
07/20/1982US4340316 Binding system
07/07/1982EP0055266A1 Loose leaf binder
06/1982
06/09/1982EP0053576A1 Binder
04/1982
04/06/1982US4323318 Slide compression mechanism for flexible post binder
03/1982
03/18/1982WO1982000798A1 Loose-leaf binder
03/17/1982EP0047606A1 Input device for data processing system
02/1982
02/17/1982EP0045742A1 Fastener for wire bound media
02/16/1982US4315696 Easel-style suspension binder
02/16/1982US4315642 Integrally molded covers and spines for looseleaf books
02/09/1982US4314625 Artist's portfolio
01/1982
01/21/1982WO1982000114A1 Loose leaf binder
12/1981
12/29/1981US4307972 Looseleaf books with plastic posts
12/22/1981US4306737 Looseleaf notebooks
12/15/1981US4305675 File fastener
12/08/1981US4304499 Binder system, a binder system support device, and a binder cover
11/1981
11/24/1981US4302123 Clasp element
11/17/1981US4300848 Binder for paper sheets with pre-formed holes
10/1981
10/20/1981US4295747 Integrally molded, looseleaf books with ring-binder-mounting posts molded on spine
10/13/1981US4294558 Weatherproof portfolios
09/1981
09/22/1981CA1109352A1 Paper clip and binder device
09/09/1981EP0035024A1 Looseleaf notebooks
09/08/1981US4288170 File binding system
09/03/1981WO1981002410A1 Fastener for wire bound media
09/02/1981EP0034779A1 Device for removing sheets from binders
08/1981
08/25/1981US4285104 Fastener device
08/19/1981EP0033738A1 Looseleaf books with plastic posts
08/18/1981US4284227 Expansion folder with accordian-pleat backbone
08/11/1981CA1106720A1 Binder assembly for ledger binder books
08/11/1981CA1106719A1 Document holder
08/05/1981EP0032952A1 Integrally molded covers and spines for looseleaf books
08/04/1981US4281940 Loose-leaf binder
05/1981
05/26/1981US4269530 Document retaining system
05/19/1981CA1101291A1 Loose leaf binder with flexible telescopic post assemblies and magnetically retained bar
04/1981
04/28/1981US4264228 Composite looseleaf mechanism
04/14/1981US4261664 One-piece report binder
04/14/1981CA1099174A1 Self-tapping plastic part for document holders and the like
04/07/1981US4260274 Binder with magazine storage and hand tool
03/1981
03/31/1981CA1098407A1 File binding system
03/24/1981US4257715 Binder assembly
03/17/1981US4256411 File folder with integral loose leaf binder rings
03/17/1981CA1097550A1 Loose-leaf binder utilizing stiff covers
03/03/1981CA1096733A1 Binding mechanism for loose-leaf binder
02/1981
02/19/1981WO1981000381A1 Looseleaf books with plastic posts
02/19/1981WO1981000379A1 Looseleaf notebooks
02/19/1981WO1981000348A1 Integrally molded covers and spines for looseleaf books
02/10/1981CA1095365A1 Suspension device for ring binders
01/1981
01/13/1981US4244603 Book, more particularly pocket dictionary
12/1980
12/23/1980US4240761 Looseleaf binder-display stand
12/16/1980US4239411 Locking device for visible record binders
12/16/1980US4239410 Stationery booklet
12/10/1980EP0020166A1 Collapsible support structure
11/1980
11/11/1980CA1089311A1 Binder with magazine storage
10/1980
10/30/1980WO1980002259A1 Plastic binder with binder boards of paperboard and method of manufacturing the same
10/21/1980US4229022 Filing folder for perforated papers
10/01/1980EP0016134A1 Device for holding flip cards
09/1980
09/16/1980US4222679 Loose-leaf binder
09/16/1980US4222190 Device for holding flip cards
09/02/1980US4219951 File folder with fastening mechanism on the inside
08/1980
08/26/1980CA1084378A1 Loose-leaf binder
07/1980
07/29/1980US4214839 Loose leaf binder
07/29/1980CA1082556A1 Loose leaf notebook binder fixture
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