Patent US3319920A successfully refreshed from Google Patents.
US3319920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle seat
Assignee: Individual
•
Filing: 1965-05-11
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Granted: 1967-05-16
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Freedman Paul
- 👤 Robert A Wahls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/54; B60N2/544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SEAT SUSPENSION COMPRISING A BASE PORTION AND A SEAT-SUPPORTING PORTION, MEANS INCLUDING A LINKAGE PIVOTALLY SECURED TO EACH PORTION AND EXTENDING THEREBETWEEN FOR MOVABLY SUPPORTING THE SEAT-SUPPORTING PORTION ON THE BASE PORTION, SPRING MEANS EXTENDING BETWEEN THE SEATSUPPORTING PORTION AND THE LINKAGE, MEANS FOR PIVOTALLY MOUNTING ONE END OF THE SPRING MEANS TO THE SEAT-SUPPORTING PORTION, AND MEANS, INCLUDING MEANS FOR SELECTIVELY SUPPORTING PIVOTALLY SAID OTHER END OF THE SPRING MEANS ON THE LINKAGE IN POSITIONS INTERMEDIATE THE PIVOTAL CONNECTIONS OF THE LINKAGE WITH SAID TWO PORTIONS, FOR ADJUSTING THE AMOUNT OF DEFLECTION OF THE SEAT-SUPPORTING PORTION FOR A GIVEN LOAD THEREON, SAID ADJUSTING MEANS FURTHER COMPRISING MEANS FOR MOVING ONE OF SAID PORTIONS RELATIVE TO THE OTHER TO A POSITION THAT PERMITS DETACHMENT OF SAID OTHER END OF THE SPRING MEANS FROM ITS PIVOTAL CONNECTION SO THAT SAID OTHER END OF THE SPRING MEANS CAN BE MOVED TO ANOTHER POSITION OF PIVOTAL CONNECTION.
Claim 2
Dependent Claim
155 words
A SEAT SUSPENSION COMPRISING A BASE PORTION AND A SEAT-SUPPORTING PORTION, MEANS INCLUDING A LINKAGE PIVOTALLY SECURED TO EACH PORTION AND EXTENDING THEREBETWEEN FOR MOVABLY SUPPORTING THE SEAT-SUPPORTING PORTION ON THE BASE PORTION, SPRING MEANS EXTENDING BETWEEN THE SEATSUPPORTING PORTION AND THE LINKAGE, MEANS FOR PIVOTALLY MOUNTING ONE END OF THE SPRING MEANS TO THE SEAT-SUPPORTING PORTION, AND MEANS, INCLUDING MEANS FOR SELECTIVELY SUPPORTING PIVOTALLY SAID OTHER END OF THE SPRING MEANS ON THE LINKAGE IN POSITIONS INTERMEDIATE THE PIVOTAL CONNECTIONS OF THE LINKAGE WITH SAID TWO PORTIONS, FOR ADJUSTING THE AMOUNT OF DEFLECTION OF THE SEAT-SUPPORTING PORTION FOR A GIVEN LOAD THEREON, SAID ADJUSTING MEANS FURTHER COMPRISING MEANS FOR MOVING ONE OF SAID PORTIONS RELATIVE TO THE OTHER TO A POSITION THAT PERMITS DETACHMENT OF SAID OTHER END OF THE SPRING MEANS FROM ITS PIVOTAL CONNECTION SO THAT SAID OTHER END OF THE SPRING MEANS CAN BE MOVED TO ANOTHER POSITION OF PIVOTAL CONNECTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |