Patent US4456286A successfully refreshed from Google Patents.
Patent US4135416A successfully refreshed from Google Patents.
US4135416A
Expired / Lapsed
US
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Tool for opening and closing wrist watches
Assignee: Individual
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Filing: 1977-10-18
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Granted: 1979-01-23
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Expires: 1997-10-18
Abstract
Abstract A tool for opening and closing wrist-watches, and more particularly tight-fitting wrist watches, is disclosed which is in the form of adjustable pliers, the jaws of which mainly have an inner flat surface covered with protective pads, the tip of one of said jaws consisting of a transversal protrusion preceded by a recess, the tip of the other of said jaws consisting of a slanting flat surface.
Inventors
- 👤 Jean Roux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:58
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/02; G; G04; G04D; G04D1/00; G04D1/02; G04D1/022; G04D1/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
A tool for opening and closing tight-fitting watch-cases comprising: a handle portion and a forward extension hinge means intermediate said levers for closing said forward extensions when said handles are moved together, a first of said forward extensions having an approximately flat inner surface covered with protective paddings, a recess adjacent said inner surface and terminating by a transversal wedge-type protrusion the height of which remains under the level of said inner surface, the other of said forward extensions having an approximately flat inner surface covered with protective paddings intended to cooperate with said first inner surface in closing the watch-case, one forward extension pressing on the upper surface of the watch-case, the other forward extension pressing on the back of the watch-case when moving handles together, followed by a portion of slanting surface cooperating with the protrusion of the first forward extension when opening a tight-fitting watch-case.
Claim 2
Dependent Claim
148 words
A tool for opening and closing tight-fitting watch-cases comprising: a handle portion and a forward extension hinge means intermediate said levers for closing said forward extensions when said handles are moved together, a first of said forward extensions having an approximately flat inner surface covered with protective paddings, a recess adjacent said inner surface and terminating by a transversal wedge-type protrusion the height of which remains under the level of said inner surface, the other of said forward extensions having an approximately flat inner surface covered with protective paddings intended to cooperate with said first inner surface in closing the watch-case, one forward extension pressing on the upper surface of the watch-case, the other forward extension pressing on the back of the watch-case when moving handles together, followed by a portion of slanting surface cooperating with the protrusion of the first forward extension when opening a tight-fitting watch-case.
Claim 3
Dependent Claim
20 words
The tool for opening and closing tight-fitting watch-cases of claim 1 in which the position of said hinge is adjustable.
Claim 4
Dependent Claim
25 words
The tool for opening and closing tight-fitting watch-cases of claim 1 in which the forward extensions have a slanting orientation with regard to the handles.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |