Patent US2499456A successfully refreshed from Google Patents.
US2499456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing sleeve for pump shafts
Assignee: Fairbanks Morse and Co
•
Filing: 1944-07-13
•
Granted: 1950-03-07
•
Expires: 1964-07-13
Abstract
No abstract record available.
Inventors
- 👤 Albert A Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:58
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US579969A
Cited
US1557767A
Cited
US1535336A
Cited
US1888588A
Cited
US1947969A
Cited
US1935425A
Cited
US1975422A
Cited
US2060034A
Cited
US2053808A
Cited
US2224145A
Cited
US2208975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |