US2522083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable seal for cowlings
Assignee: Curtiss Wright Corp
•
Filing: 1947-02-27
•
Granted: 1950-09-12
•
Expires: 1967-02-27
Abstract
No abstract record available.
Inventors
- 👤 Avondoglio Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:09
CPC Classifications
B; B64; B64D; B64D29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1668972A
Cited
US2083992A
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US2338950A
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US2286341A
Cited
US2289400A
Cited
US2329606A
Cited
GB548909A
Cited
FR882261A
Cited
GB571989A
Cited
US2498072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |