← Back to Patent Explorer
US4135416A Expired / Lapsed US ⏱️ 0.0 years remaining

Tool for opening and closing wrist watches

Assignee: Individual
•
Filing: 1977-10-18
•
Granted: 1979-01-23
•
Expires: 1997-10-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 05:19
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)

US1176604A Cited
US1640883A Cited
US2541431A Cited
FR1068390A Cited
US4073179A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag