Patent US2496897A successfully refreshed from Google Patents.
US2496897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and seal assembly for turbines
Assignee: RTX Corp
•
Filing: 1944-08-23
•
Granted: 1950-02-07
•
Expires: 1964-08-23
Abstract
No abstract record available.
Inventors
- 👤 Henry R Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:35
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/02; F01D25/00; F01D25/18; F01D25/183; F01D25/186; F16; F16J; F16J15/00; F16J15/44; F16J15/447; F16J15/4476
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1762117A
Cited
US1158424A
Cited
US1609496A
Cited
US1918988A
Cited
US1712277A
Cited
US1774655A
Cited
US2040218A
Cited
US2410340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |