US2755643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible seal for universal joints
Assignee: Individual
•
Filing: 1950-07-05
•
Granted: 1956-07-24
•
Expires: 1970-07-05
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F16D2200/00; F16D2200/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1367792A
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US1705622A
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US1995977A
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AU1832834A
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US2325019A
Cited
US2264728A
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US2372302A
Cited
US2403298A
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US2387486A
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US2534635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |