Patent US3376033A successfully refreshed from Google Patents.
US3376033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitized composite spring construction
Assignee: Motors Liquidation Co
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Filing: 1966-05-02
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Granted: 1968-04-02
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Frank A Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:07
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/02; B60G11/04; F; F16; F16F; F16F1/00; F16F1/36; F16F1/366; F16F1/368; F16F1/42; F16F1/46; F16F2236/00; F16F2236/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A SUSPENSION STRUCTURE INCLUDING A SPRUNG AND AN UNSPRUNG MASS, A UNITIZED COMPOSITE LEAF SPRING COMPRISING OPPOSITE END PORTIONS SUBSTANTIALLY INSENSITIVE TO BENDING LOADS ALONG THEIR LENGTHS RIGIDLY CONNECTED TO A CENTRAL PORTION OF FIBERGLASS REINFORCED PLASTIC WHICH IS ELASTICALLY DEFORMABLE RESPONSIVE TO BENDING LOADS IMPOSED ALONG THE ENTIRE LENGTH OF SAID SPRING.
Claim 2
Dependent Claim
54 words
IN A SUSPENSION STRUCTURE INCLUDING A SPRUNG AND AN UNSPRUNG MASS, A UNITIZED COMPOSITE LEAF SPRING COMPRISING OPPOSITE END PORTIONS SUBSTANTIALLY INSENSITIVE TO BENDING LOADS ALONG THEIR LENGTHS RIGIDLY CONNECTED TO A CENTRAL PORTION OF FIBERGLASS REINFORCED PLASTIC WHICH IS ELASTICALLY DEFORMABLE RESPONSIVE TO BENDING LOADS IMPOSED ALONG THE ENTIRE LENGTH OF SAID SPRING.
References Cited (Backward Citations)
US3190632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |