US2940111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping device
Assignee: Independent Lock Co
•
Filing: 1957-04-19
•
Granted: 1960-06-14
•
Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
- 👤 George P Patriquin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:45
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/02; Y; Y10; Y10S; Y10S16/00; Y10S16/09; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183640A
Cited
US1182089A
Cited
US1487717A
Cited
US1564507A
Cited
FR973489A
Cited
US2783774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |