US2628136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: Individual
•
Filing: 1947-09-12
•
Granted: 1953-02-10
•
Expires: 1967-09-12
Abstract
No abstract record available.
Inventors
- 👤 Walter F Pittman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:29
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1434904A
Cited
US1254345A
Cited
US1764672A
Cited
US1790253A
Cited
US1741621A
Cited
US1822807A
Cited
US2079357A
Cited
US2335638A
Cited
US2399889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |