Patent US3229951A successfully refreshed from Google Patents.
US3229951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient mounting system
Assignee: North American Aviation Corp
•
Filing: 1963-09-10
•
Granted: 1966-01-18
•
Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 William H Quick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:37
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02; F16F3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A MOUNTING SYSTEM, A SUPPORT FRAME, A MASS, SHOCK ABSORBING MEANS FOR MOUNTING SAID MASS TO SAID SUPPORT FRAME COMPRISING AN OUTER CYLINDER HAVING ONE END RIGIDLY SECURED TO SAID MASS, AN INNER CYLINDER ADAPTED TO MOVE WITHIN SAID OUTER CYLINDER, A FIRST SPRING MOUNTED IN SAID OUTER CYLINDER FOR PRESSING SAID INNER CYLINDER AGAINST THE OTHER END OF SAID OUTER CYLINDER, A PLUNGER HAVING ONE END SECURED TO SAID FRAME AND THE OTHER END PASSING THROUGH THE OTHER END OF SAID OUTER CYLINDER ON SAID SAID INNER CYLINDER AND HAVING FIXED MOUNTED ON SAID OTHER END A PISTON, SAID PISTON ADAPTED TO MOVE SUBSTANTIALLY THE FULL LENGTH OF SAID OUTER CYLINDER, A SECOND SPRING MOUNTED IN SAID INNER CYLINDER FOR PRESSING SAID PISTON AGAINST THE ONE OF SAID INNER CYLINDER.
Claim 2
Dependent Claim
132 words
IN A MOUNTING SYSTEM, A SUPPORT FRAME, A MASS, SHOCK ABSORBING MEANS FOR MOUNTING SAID MASS TO SAID SUPPORT FRAME COMPRISING AN OUTER CYLINDER HAVING ONE END RIGIDLY SECURED TO SAID MASS, AN INNER CYLINDER ADAPTED TO MOVE WITHIN SAID OUTER CYLINDER, A FIRST SPRING MOUNTED IN SAID OUTER CYLINDER FOR PRESSING SAID INNER CYLINDER AGAINST THE OTHER END OF SAID OUTER CYLINDER, A PLUNGER HAVING ONE END SECURED TO SAID FRAME AND THE OTHER END PASSING THROUGH THE OTHER END OF SAID OUTER CYLINDER ON SAID SAID INNER CYLINDER AND HAVING FIXED MOUNTED ON SAID OTHER END A PISTON, SAID PISTON ADAPTED TO MOVE SUBSTANTIALLY THE FULL LENGTH OF SAID OUTER CYLINDER, A SECOND SPRING MOUNTED IN SAID INNER CYLINDER FOR PRESSING SAID PISTON AGAINST THE ONE OF SAID INNER CYLINDER.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |