US2996267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damping mechanism
Assignee: Individual
•
Filing: 1954-12-06
•
Granted: 1961-08-15
•
Expires: 1974-12-06
Abstract
No abstract record available.
Inventors
- 👤 James R Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:33
CPC Classifications
B; B64; B64D; B64D45/00; B64D2045/0085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB461353A
Cited
DE747147C
Cited
US2342578A
Cited
US2361071A
Cited
US2667237A
Cited
US2669325A
Cited
GB704084A
Cited
US2661596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |