US2778629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration dampener
Assignee: Individual
•
Filing: 1954-09-01
•
Granted: 1957-01-22
•
Expires: 1974-09-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1506557A
Cited
US1930186A
Cited
US2502313A
Cited
US2687269A
Cited
US2680284A
Cited
US2688479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |