US3208319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting wrench
Assignee: CRESTLINE PRODUCTS Inc
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Filing: 1961-11-20
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Granted: 1965-09-28
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Westby
- 👤 Stanley L Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:06
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/12; B25B7/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A SELF ADJUSTING WRENCH HAVING IN COMBINATION, A HANDLE INTEGRAL WITH A STATIONARY JAW, A MOVABLE JAW PIVOTED TO SAID HANDLE COACTIVE WITH SAID STATIONARY JAW, AN OPERATING HANDLE PIVOTED TO SAID MOVABLE JAW, A ROD CARRIED IN SAID HANDLE LENGTHWISE THEREOF, A TRAVEL BLOCK MOVABLE AXIALLY OF SAID ROD, A PAIR OF PIVOTED TOGGLE LINKS RESPECTIVELY PIVOTALLY CONNECTED AT THEIR REMOTE ENDS TO SAID OPERATING HANDLE AND SAID TRAVEL BLOCK, AND A CAM PORTION FORMING THE UNDER SURFACE ON SAID LINK CONNECTED TO SAID TRAVEL BLOCK RIDING ON SAID ROD TILTING SAID TRAVEL BLOCK INTO LOCKING ENGAGEMENT WITH SAID ROD.
Claim 2
Dependent Claim
101 words
A SELF ADJUSTING WRENCH HAVING IN COMBINATION, A HANDLE INTEGRAL WITH A STATIONARY JAW, A MOVABLE JAW PIVOTED TO SAID HANDLE COACTIVE WITH SAID STATIONARY JAW, AN OPERATING HANDLE PIVOTED TO SAID MOVABLE JAW, A ROD CARRIED IN SAID HANDLE LENGTHWISE THEREOF, A TRAVEL BLOCK MOVABLE AXIALLY OF SAID ROD, A PAIR OF PIVOTED TOGGLE LINKS RESPECTIVELY PIVOTALLY CONNECTED AT THEIR REMOTE ENDS TO SAID OPERATING HANDLE AND SAID TRAVEL BLOCK, AND A CAM PORTION FORMING THE UNDER SURFACE ON SAID LINK CONNECTED TO SAID TRAVEL BLOCK RIDING ON SAID ROD TILTING SAID TRAVEL BLOCK INTO LOCKING ENGAGEMENT WITH SAID ROD.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |