US2519386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft safety door
Assignee: Individual
•
Filing: 1945-12-28
•
Granted: 1950-08-22
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Elliott E Loving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/32; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0839; Y10T292/0841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US25487A
Cited
US892970A
Cited
US1492180A
Cited
FR700857A
Cited
GB419539A
Cited
US2338950A
Cited
US2257103A
Cited
US2378856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |