US3086742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat suspension
Assignee: Doosan Bobcat North America Inc
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Filing: 1960-12-20
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Granted: 1963-04-23
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Severson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/508; B60N2/54; B60N2/542; B60N2/544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
SEAT SUSPENSION MEANS COMPRISING FIXED SUPPORT MEANS, MOVABLE LOAD SUPPORT MEANS DISPOSED ABOVE SAID FIXED SUPPORT MEANS, AND A PAIR OF CONNECTING MEMBERS EACH HAVING A RESILIENT PORTION AND A RIGID PORTION, SAID MEMBERS BEING DISPOSED IN A GENERALLY X-SHAPED CONFIGURATION BETWEEN SAID FIXED SUPPORT MEANS AND SAID MOVABLE SUPPORT MEANS, EACH SAID MEMBER BEING CONNECTED TO SAID FIXED SUPPORT MEANS ADJACENT ONE END OF SAID MEMBER ONLY AND CONNECTED TO SAID MOVABLE SUPPORT MEANS ADJACENT THE OTHER END OF SAID MEMBER ONLY, AN INCREASE IN LOAD UPON SAID MOVABLE SUPPORT MEANS CAUSING AN INCREASE IN THE COMPRESSION LOADING OF SAID RESILIENT PORTIONS AND A DECREASE IN THE EFFECTIVE LENGTH OF SAID MEMBERS.
Claim 2
Dependent Claim
113 words
SEAT SUSPENSION MEANS COMPRISING FIXED SUPPORT MEANS, MOVABLE LOAD SUPPORT MEANS DISPOSED ABOVE SAID FIXED SUPPORT MEANS, AND A PAIR OF CONNECTING MEMBERS EACH HAVING A RESILIENT PORTION AND A RIGID PORTION, SAID MEMBERS BEING DISPOSED IN A GENERALLY X-SHAPED CONFIGURATION BETWEEN SAID FIXED SUPPORT MEANS AND SAID MOVABLE SUPPORT MEANS, EACH SAID MEMBER BEING CONNECTED TO SAID FIXED SUPPORT MEANS ADJACENT ONE END OF SAID MEMBER ONLY AND CONNECTED TO SAID MOVABLE SUPPORT MEANS ADJACENT THE OTHER END OF SAID MEMBER ONLY, AN INCREASE IN LOAD UPON SAID MOVABLE SUPPORT MEANS CAUSING AN INCREASE IN THE COMPRESSION LOADING OF SAID RESILIENT PORTIONS AND A DECREASE IN THE EFFECTIVE LENGTH OF SAID MEMBERS.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |