Patent US2650843A 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
•
Granted: 1953-09-01
•
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 21:40
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US965666A
Cited
US1179060A
Cited
US1192404A
Cited
US1213509A
Cited
US1262370A
Cited
US1287463A
Cited
US1418379A
Cited
US1650573A
Cited
USRE18144E
Cited
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 |