Patent US2779637A successfully refreshed from Google Patents.
US2779637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust bearing
Assignee: Individual
•
Filing: 1952-04-05
•
Granted: 1957-01-29
•
Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:22
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1117499A
Cited
US1272041A
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US1378544A
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US1839497A
Cited
US1767238A
Cited
US2037326A
Cited
US2093800A
Cited
FR957368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |