Patent US3310138A successfully refreshed from Google Patents.
US3310138A
Expired / Lapsed
US
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Viscous-pendulum-damper
Assignee: Individual
•
Filing: 1965-02-26
•
Granted: 1967-03-21
•
Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Iii Wilmer H Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:12
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A VISCOUS PENDULUM DAMPER COMPRISING: A CONTAINER HAVING A PLURALITY OF TRAYS THEREIN; A PLURALITY OF SLUGS SUPPORTED BY SAID TRAYS; AND A LIQUID IN SAID CONTAINER COVERING SAID TRAYS AND SLUGS WITH SAID SLUGS OPERABLE
Claim 2
Dependent Claim
36 words
A VISCOUS PENDULUM DAMPER COMPRISING: A CONTAINER HAVING A PLURALITY OF TRAYS THEREIN; A PLURALITY OF SLUGS SUPPORTED BY SAID TRAYS; AND A LIQUID IN SAID CONTAINER COVERING SAID TRAYS AND SLUGS WITH SAID SLUGS OPERABLE
References Cited (Backward Citations)
US1700477A
Cited
US1997423A
Cited
US2137591A
Cited
US2155052A
Cited
GB515318A
Cited
US2494358A
Cited
US2736393A
Cited
US2656742A
Cited
US2819775A
Cited
US2838137A
Cited
US3020980A
Cited
US3221093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |