Patents for G04B 39 - Watch crystals; Fastening or sealing crystals; Clock glasses (679)
06/1984
06/26/1984US4456388 Watch case structure
06/20/1984EP0111449A2 Method to manufacture an exterior part of a time piece, and part obtained by the same
06/12/1984CA1168878A1 Wrist watch
06/07/1984WO1984002203A1 Quartz watch with monobloc case, without press-button or crown on the outside
05/1984
05/29/1984US4451117 Digital watch magnifying element
05/08/1984US4447162 Watchcase
04/1984
04/25/1984EP0106806A1 Method to manufacture an exterior part of a time piece, and part obtained thereby
04/03/1984US4440505 Watchcase having a thin appearance when being worn
03/1984
03/20/1984US4437770 Timepiece
03/06/1984CA1163099A1 Water resistant shaped case construction for a wristwatch
02/1984
02/29/1984EP0101663A1 Method of producing a watch and watch obtained by this method
02/28/1984US4433921 Watch crystal bonded to watch case with low temperature solder material
01/1984
01/18/1984EP0098795A2 Time piece and method of manufacturing the same
01/18/1984EP0098660A1 Watch glass made from mineral material
01/11/1984EP0098240A1 Watch case
01/04/1984EP0097393A1 Strap watch case
11/1983
11/29/1983US4417821 Wrist watch
10/1983
10/19/1983EP0091683A1 Water-resistant watch case
10/11/1983US4408900 Joint structure of bezel and watch body
09/1983
09/13/1983US4403870 Water-resistant shaped case construction for a wristwatch
08/1983
08/09/1983US4397566 Wrist-watch casing
07/1983
07/05/1983US4391534 Glass mounting structure for watches
06/1983
06/28/1983US4390467 Mixture of esters of 4-(4'-alkylphenyl)-2-chlorophenol and 4-alkyl or alkoxy-benzoic or cyclohexanecarboxylic acid
06/28/1983US4390288 Watch casing
06/08/1983EP0080973A1 Watch case
06/08/1983EP0080972A1 Time piece
06/08/1983EP0080550A2 Clock case
02/1983
02/16/1983EP0072350A1 A protecting device for information visible on part of a watch case
02/16/1983EP0072345A1 Watch case
12/1982
12/15/1982EP0067120A1 Watch case
12/15/1982EP0067119A1 Watch case
12/14/1982US4363555 Fluid-tight watch case with U-shaped bezel
12/08/1982EP0066538A1 Watch case
12/08/1982EP0066537A1 Watch case
12/07/1982US4362401 Watchcase
11/1982
11/25/1982WO1982004135A1 Watchcase
11/17/1982EP0064951A1 Watch case
09/1982
09/30/1982WO1982003281A1 Watch box
05/1982
05/26/1982EP0052316A1 Wrist-watch
05/25/1982CA1124087A1 Time display device for opto-electronic system
04/1982
04/27/1982US4327429 Watchcase
04/20/1982US4326281 Mounting structure of plastic glass in watch case
03/1982
03/30/1982US4322834 Watch case with interengaging flanged glass and flanged casing ring
12/1981
12/29/1981US4308611 Mounting structure for the glass in the watch case
12/09/1981EP0041481A1 Watch case
09/1981
09/22/1981US4291402 Plastic watch case
07/1981
07/28/1981US4281406 Water-proof case for digital electronic timepieces
06/1981
06/02/1981US4271498 Watch
04/1981
04/28/1981CA1099931A1 Sealed watch case and method of making
03/1981
03/17/1981US4257118 Watch case
03/11/1981EP0024893A1 Waterproof sport watch
02/1981
02/24/1981US4252416 Optical instrument for gathering and distribution of light
01/1981
01/06/1981US4244044 Waterproof sport watch
12/1980
12/23/1980US4241442 Timepiece with shaped components
11/1980
11/18/1980US4234948 Watchglass fixing structure
09/1980
09/16/1980US4222228 Waterproofed watchcase construction
08/1980
08/26/1980US4218873 Sealed, shaped watch-case
07/1980
07/01/1980CA1080488A1 Rotatable crystal and bezel assembly for achieving special visual effects in a timepiece
06/1980
06/10/1980US4206591 Watchglass fixing structure for timepiece
04/1980
04/22/1980US4198811 Watertight watchcase having a removable polygonal hard glass
01/1980
01/10/1980WO1980000041A1 Tight watchcase with removeable flat polygonal glass
12/1979
12/12/1979EP0006077A2 Water-proof watch case with a flat polygonal removable glass
05/1979
05/01/1979US4151707 Water proof watch
01/1979
01/02/1979US4132062 Digital watch case
09/1978
09/26/1978US4115994 Dial illumination means
09/05/1978US4110970 Water-proof watch case
05/1978
05/02/1978US4086754 Viewing window for electronic wristwatches employing light emitting diode display
04/1978
04/11/1978US4083178 Watch case
01/1978
01/10/1978US4067186 Rotatable crystal and bezel assembly for achieving special visual effects in a timepiece
12/1977
12/27/1977US4064688 Touch sensitive electrode assembly for solid state wristwatches
11/1977
11/29/1977US4059957 Water-tight fitting of a glass in a watch case
11/29/1977US4059956 Touch type contactless switch structure for electronic wristwatches having insulative member precluding establishment of shunt path by foreign matter
08/1977
08/23/1977US4043116 Timepiece comprising a flat display device exposed through an opening in a case
01/1977
01/25/1977US4004410 Fluid-tight watchcase and improved ring gasket for the same
01/11/1977US4002020 Four-sided water-resistant watch-case
09/1976
09/14/1976US3979902 Mounting of a case band and a crystal bezel in a watch
04/1976
04/20/1976US3950937 Structure of water-tight watch case
02/1976
02/24/1976US3939646 Water tight watch case using an inorganic glass crystal
01/1976
01/27/1976US3934402 Structure of bezel portion of water-tight timepiece
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