US2641492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed universal ball bearing joint
Assignee: Columbus Auto Parts Co
•
Filing: 1949-01-12
•
Granted: 1953-06-09
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 William A Flumerfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32549; Y10T403/32557; Y10T403/32591; Y10T403/32606; Y10T403/32631; Y10T403/32672
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1250620A
Cited
US1898334A
Cited
US2197037A
Cited
US2206972A
Cited
US2211817A
Cited
US2397464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |