US3081059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat base
Assignee: Boeing Co
•
Filing: 1961-06-02
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Granted: 1963-03-12
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Allan J Hastings
- 👤 Edward C Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/18; A47C1/00; A47C1/02; A47C1/022; A47C1/028; A47C1/029
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
THE IMPROVEMENT IN A BASE FOR A SEAT, COMPRISING: A RIGID, HOLLOW, INVERTED GENERALLY CONICALLY SHAPED BODY, FIRST AND SECOND LEG MEANS HAVING THEIR UPPER ENDS SECURED TO OPPOSITE SIDES OF SAID BODY AND EXTENDING DOWNWARDLY AND OUTWARDLY THEREFROM TO BEAR ON THE FLOOR OR THE LIKE, SAID SECOND LEG MEANS HAVING UPPER AND LOWER TELESCOPING SECTIONS, RESILIENT MEANS NORMALLY URGING SAID SECTIONS TO EXPANDED POSITION WHEREBY THE SEAT IS URGED TO AN UPPER POSITION AND CAN BE FORCIBLY MOVED TO A RECLINING POSITION BY PIVOTING ABOUT THE LOWER END OF SAID FIRST LEG MEANS, SAID SECOND LEG MEANS HAVING FLUID MEANS INCLUDING A CAVITY IN SAID SECOND LEG MEANS ACTING TO OPPOSE EXPANSION OF SAID SECOND LEG MEANS AT A RATE ABOVE A SELECTED LEVEL OF ACCELERATION.
References Cited (Backward Citations)
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Cited
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |