US2796027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fluid pressure bearing and seal for apparatus utilizing a fluid
Assignee: Allis Chalmers Corp
•
Filing: 1953-08-25
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Granted: 1957-06-18
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Expires: 1973-08-25
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F04; F04D; F04D7/00; F04D7/02; F04D7/06; F16C32/00; F16C32/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157240A
Cited
US1163242A
Cited
US1337659A
Cited
GB150110A
Cited
US2449297A
Cited
US2660485A
Cited
US2612843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |