Patent US4513371A successfully refreshed from Google Patents.
US2647591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration dampener
Assignee: General Electric Co
•
Filing: 1949-10-01
•
Granted: 1953-08-04
•
Expires: 1969-10-01
Abstract
No abstract record available.
Inventors
- 👤 James F Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:19
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/20; D06F37/24; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2109
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US989958A
Cited
US1616176A
Cited
US2211416A
Cited
GB475199A
Cited
US2296261A
Cited
US2318806A
Cited
US2526048A
Cited
US2555269A
Cited
US2454112A
Cited
US2582397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |