Patent US3346221A successfully refreshed from Google Patents.
US3346221A
Expired / Lapsed
US
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Critically damped vibration system
Assignee: Lockheed Martin Corp
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Filing: 1965-02-04
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Granted: 1967-10-10
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Farmer Everett Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:48
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/37; C; C08; C08J; C08J9/00; C08J9/36; C08J9/40; C08J9/42; F16F1/371; F16F1/42; F16F1/44; F16F1/445; C08J2495/00; F16F2236/00; F16F2236/04; F16F2236/045; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/233; Y10T428/239; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
A VIBRATION ISOLATING SYSTEM COMPRISING (A) A PART TO BE ISOLATED FROM VIRBATIONS, (B) A HOUSING, (C) AT LEAST A PORTION OF SAID PART BEING DISPOSED WITHIN SAID HOUSING, (D) AN ISOLATING MEDIUM (1) DISPOSED WITHIN SAID HOUSING, AND (2) MECHANICALLY COUPLING SAID PART TO SAID HOUSEING, (E) SAID ISOLATING MEDIUM COMPRISING (1) A BODY OF OPEN-CELL FOAM MATERIAL, (2) A DAMPING MATERIAL LINING THE WALLS OF THE CELLS OF SAID BODY,
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |