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 00:17
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
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References Cited (Backward Citations)
US1589640A
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FR642711A
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US1881572A
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US2149390A
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US2376711A
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US2416570A
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US2469038A
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US2580433A
Cited
US2635581A
Cited
US2652848A
Cited
US2652223A
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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 |