US3142212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pliers
Assignee: Individual
•
Filing: 1963-03-12
•
Granted: 1964-07-28
•
Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Grape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:07
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/06; B25B7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A PAIR OF PLIERS, THE COMBINATION COMPRISING: A FIRST ELEMENT HAVING A FIXED JAW AND A TAPERED SHANK WITH SIDE WALLS DIVERGING FROM SAID JAW; AND A SECOND ELEMENT HAVING A PIVOTED JAW AND A SLOTTED PORTION, SAID JAW AND SLOTTED PORTION HAVING OPPOSING CONVEX CAM SURFACES, SAID TAPERED SHANK BEING SLIDABLY RECEIVED BETWEEN SAID CAM SURFACES FOR ADJUSTING THE GAP BETWEEN SAID FIXED AND PIVOTED JAWS AND KEEPING SAID JAWS PARALLEL, SAID TAPER INHIBITING SAID SHANK IN A DIRECTION AWAY FROM SAID FIXED JAW WHEN SAID JAWS ARE CLAMPED UPON A WORKPIECE.
Claim 2
Dependent Claim
94 words
IN A PAIR OF PLIERS, THE COMBINATION COMPRISING: A FIRST ELEMENT HAVING A FIXED JAW AND A TAPERED SHANK WITH SIDE WALLS DIVERGING FROM SAID JAW; AND A SECOND ELEMENT HAVING A PIVOTED JAW AND A SLOTTED PORTION, SAID JAW AND SLOTTED PORTION HAVING OPPOSING CONVEX CAM SURFACES, SAID TAPERED SHANK BEING SLIDABLY RECEIVED BETWEEN SAID CAM SURFACES FOR ADJUSTING THE GAP BETWEEN SAID FIXED AND PIVOTED JAWS AND KEEPING SAID JAWS PARALLEL, SAID TAPER INHIBITING SAID SHANK IN A DIRECTION AWAY FROM SAID FIXED JAW WHEN SAID JAWS ARE CLAMPED UPON A WORKPIECE.
References Cited (Backward Citations)
US1490902A
Cited
US1730722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |