Patent US3045781A successfully refreshed from Google Patents.
US3045781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous damper
Assignee: Individual
•
Filing: 1957-05-17
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Granted: 1962-07-24
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Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Lees Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:33
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/16; F16F9/18; F16F9/20; F16F9/32; F16F9/53; F16F2230/00; F16F2230/18; F16F2230/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010747A
Cited
US1313763A
Cited
US1373315A
Cited
US1572484A
Cited
US1743591A
Cited
US1736175A
Cited
US2180893A
Cited
GB536315A
Cited
US2314404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |