Patent US2942838A successfully refreshed from Google Patents.
US2942838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration damping in fluid seals
Assignee: Individual
•
Filing: 1955-03-18
•
Granted: 1960-06-28
•
Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Melville F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:35
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1589640A
Cited
FR642711A
Cited
US1881572A
Cited
US2149390A
Cited
US2376711A
Cited
US2416570A
Cited
US2469038A
Cited
US2580433A
Cited
US2635581A
Cited
US2652848A
Cited
US2652223A
Cited
US2606261A
Cited
US2715687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |