US3310138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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
2026-11-05 16:59
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)
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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 |