Patent US5363861A successfully refreshed from Google Patents.
US2650843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust transmitting retainer for shaft mounted members
Assignee: Individual
•
Filing: 1950-12-08
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Granted: 1953-09-01
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Expires: 1970-12-08
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Spurgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/186; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2240/00; F16C2240/40; F16C2240/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1192404A
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US1213509A
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US1262370A
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US1287463A
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US1418379A
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US1650573A
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USRE18144E
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US2522991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |