Patent US2414054A successfully refreshed from Google Patents.
Patent US3197190A successfully refreshed from Google Patents.
US3197190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle coil spring stiffener
Assignee: Individual
•
Filing: 1964-04-30
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Granted: 1965-07-27
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Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Richard T Miyashiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A VEHICLE COIL SPRING STIFFENER FOR BOOSTING THE COIL SPRINGS OF A VEHICLE HAVING A PAIR OF SPACED WHEEL ASSEMBLIES INDIVIDUALLY SPRUNG BY MEANS OF A PAIR OF COIL SPRINGS AND INCLUDING A FRAME PORTION DISPOSED BETWEEN SAID COIL SPRINGS, SAID COIL SPRING STIFFENER INCLUDING ELONGATED LEAF SPRING MEANS HAVING OPPOSITE END PORTIONS EACH ADAPTED TO ENGAGE A CONVOLUTION OF THE CORRESPONDING ONE OF SAID SPRINGS AND GENERALLY HORIZONTALLY DISPOSED PORTION INTERMEDIATE THE OPPOSITE END PORTIONS ADAPTED TO BEAR AGAINST SAID FRAME PORTION, AND DEFINING A PAIR OF UPWARDLY OPENING CHANNELS EXTENDING TRANSVERSELY OF SAID LEAF SPRING MEANS ADATPED TO SNUGLY AND EMBRACINGLY RECEIVED THE INNER PIVOT SHAFTS OF A-FRAMES WITH WHICH SAID SPRINGS ARE OPERATIVELY ASSOCIATED AND WHICH EXTEND BENEATH PORTIONS OF SAID FRAME PORTION.
Claim 2
Dependent Claim
126 words
A VEHICLE COIL SPRING STIFFENER FOR BOOSTING THE COIL SPRINGS OF A VEHICLE HAVING A PAIR OF SPACED WHEEL ASSEMBLIES INDIVIDUALLY SPRUNG BY MEANS OF A PAIR OF COIL SPRINGS AND INCLUDING A FRAME PORTION DISPOSED BETWEEN SAID COIL SPRINGS, SAID COIL SPRING STIFFENER INCLUDING ELONGATED LEAF SPRING MEANS HAVING OPPOSITE END PORTIONS EACH ADAPTED TO ENGAGE A CONVOLUTION OF THE CORRESPONDING ONE OF SAID SPRINGS AND GENERALLY HORIZONTALLY DISPOSED PORTION INTERMEDIATE THE OPPOSITE END PORTIONS ADAPTED TO BEAR AGAINST SAID FRAME PORTION, AND DEFINING A PAIR OF UPWARDLY OPENING CHANNELS EXTENDING TRANSVERSELY OF SAID LEAF SPRING MEANS ADATPED TO SNUGLY AND EMBRACINGLY RECEIVED THE INNER PIVOT SHAFTS OF A-FRAMES WITH WHICH SAID SPRINGS ARE OPERATIVELY ASSOCIATED AND WHICH EXTEND BENEATH PORTIONS OF SAID FRAME PORTION.
References Cited (Backward Citations)
US2181692A
Cited
US2603481A
Cited
US2697613A
Cited
US2741475A
Cited
FR1161498A
Cited
FR1173879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |