Patent US3079973A successfully refreshed from Google Patents.
US3079973A
Expired / Lapsed
US
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Traction devices for automotive vehicle wheels
Assignee: Individual
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Filing: 1961-10-18
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Granted: 1963-03-05
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 John J Ziccardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:43
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06; B60C27/10; B60C27/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A TRACTION DEVICE FOR AUTOMOTIVE VEHICLES COMPRISING IN COMBINATION WITH A WHEEL, A PLURALITY OF ANGULARLY SPACED SURFACE GRIPPING MEMBERS EXTENDING ACROSS THE TREAD OF THE WHEEL, SAID MEMBER BEING SECURED TO A FIXED MEMBER ON ONE SIDE OF SAID WHEEL AND TO A MOVABLE COMMON LOCKING MEMBER ON THE OTHER SIDE OF THE WHEEL, A RECESS IN THE WHEEL TREAD FOR RECEIVING AND STORING SAID GRIPPING MEMBER, TENSION MEANS FOR HOLDING SAID MEMBER IN SAID RECESS AND MEANS OPERATIVE IN RESPONSE TO CENTRIFUGAL FORCE ACTING UPON SAID GRIPPING MEMBERS FOR RELEASING SAID GRIPPING MEMBERS FROM SAID RECESS TO THEIR OPERATIVE POSITION.
Claim 2
Dependent Claim
102 words
A TRACTION DEVICE FOR AUTOMOTIVE VEHICLES COMPRISING IN COMBINATION WITH A WHEEL, A PLURALITY OF ANGULARLY SPACED SURFACE GRIPPING MEMBERS EXTENDING ACROSS THE TREAD OF THE WHEEL, SAID MEMBER BEING SECURED TO A FIXED MEMBER ON ONE SIDE OF SAID WHEEL AND TO A MOVABLE COMMON LOCKING MEMBER ON THE OTHER SIDE OF THE WHEEL, A RECESS IN THE WHEEL TREAD FOR RECEIVING AND STORING SAID GRIPPING MEMBER, TENSION MEANS FOR HOLDING SAID MEMBER IN SAID RECESS AND MEANS OPERATIVE IN RESPONSE TO CENTRIFUGAL FORCE ACTING UPON SAID GRIPPING MEMBERS FOR RELEASING SAID GRIPPING MEMBERS FROM SAID RECESS TO THEIR OPERATIVE POSITION.
References Cited (Backward Citations)
US2537231A
Cited
US2913033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |