US2526570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensator for independent fluid pressure systems
Assignee: WARNER AIRCRAFT CORP
•
Filing: 1945-11-05
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Granted: 1950-10-17
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Ludwig A Majneri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:29
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7837; Y10T137/7866; Y10T137/8593; Y10T137/87257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1707781A
Cited
US1588657A
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US1568159A
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US1955180A
Cited
US2055182A
Cited
GB409169A
Cited
FR757593A
Cited
US2080687A
Cited
US2160074A
Cited
US2265117A
Cited
US2336891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |