Patent US3262335A successfully refreshed from Google Patents.
US3198487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid lowering winch-hoist
Assignee: LUG ALL CO
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Filing: 1961-03-17
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Granted: 1965-08-03
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 De Witt C Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:54
CPC Classifications
B; B66; B66D; B66D5/00; B66D2700/00; B66D2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A RAPID LOWERING WINCH ADAPTED TO MOVE A LOAD COMPRISING A SUPPORTING FRAME, A CABLE DRUM, A RACKET WHEEL ROTATABLE WITH SAID DRUM AND HAVING A PLURALITY OF RATCHET TEETH INCLUDING FIRST AND SECOND RATCHET TEETH, AN OPERATING LEVER ASSOCIATED WITH SAID DRUM, A LEVER PAWL PIVOTALLY SECURED TO SAID LEVER, A LEVER PAWL SPRING FOR BIASING SAID LEVER PAWL IN A CHOSEN DIRECTION, A HOLDING PAWL PIVOTALLY SECURED TO SAID FRAME, A HOLDING PAWL SPRING BIASING SAID HOLDING PAWL INTO NORMAL RATCHET ENGAGING POSITION WITH SAID FIRST RATCHET TOOTH, SAID HOLDING PAWL SPRING, RATCHET TEETH AND THE FREE END OF SAID LEVER PAWL BEING ARRANGED IN ALIGNMENT, SAID HOLDING PAWL SPRING BEING ADAPTED TO BE ACTED UPON BY SAID LEVER PAWL TO BIAS SAID HOLDING PAWL AWAY FROM ITS NORMAL RATCHET ENGAGING POSITION DURING LOWERING AFTER SAID LEVER PAWL HAS BEEN MOVED INTO RATCHET ENGAGING POSITION WITH SAID SECOND RATCHET TOOTH, SAID HOLDING PAWL BEING AGAIN NORMALLY BIASED BY SAID HOLDING PAWL SPRING WHEN SAID HOLDINGING PAWL SPRING IS NO LONGER ACTED UPON BY SAID LEVER
Claim 2
Dependent Claim
177 words
A RAPID LOWERING WINCH ADAPTED TO MOVE A LOAD COMPRISING A SUPPORTING FRAME, A CABLE DRUM, A RACKET WHEEL ROTATABLE WITH SAID DRUM AND HAVING A PLURALITY OF RATCHET TEETH INCLUDING FIRST AND SECOND RATCHET TEETH, AN OPERATING LEVER ASSOCIATED WITH SAID DRUM, A LEVER PAWL PIVOTALLY SECURED TO SAID LEVER, A LEVER PAWL SPRING FOR BIASING SAID LEVER PAWL IN A CHOSEN DIRECTION, A HOLDING PAWL PIVOTALLY SECURED TO SAID FRAME, A HOLDING PAWL SPRING BIASING SAID HOLDING PAWL INTO NORMAL RATCHET ENGAGING POSITION WITH SAID FIRST RATCHET TOOTH, SAID HOLDING PAWL SPRING, RATCHET TEETH AND THE FREE END OF SAID LEVER PAWL BEING ARRANGED IN ALIGNMENT, SAID HOLDING PAWL SPRING BEING ADAPTED TO BE ACTED UPON BY SAID LEVER PAWL TO BIAS SAID HOLDING PAWL AWAY FROM ITS NORMAL RATCHET ENGAGING POSITION DURING LOWERING AFTER SAID LEVER PAWL HAS BEEN MOVED INTO RATCHET ENGAGING POSITION WITH SAID SECOND RATCHET TOOTH, SAID HOLDING PAWL BEING AGAIN NORMALLY BIASED BY SAID HOLDING PAWL SPRING WHEN SAID HOLDINGING PAWL SPRING IS NO LONGER ACTED UPON BY SAID LEVER
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |