US3499385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft parachute flare
Assignee: United States Department of the Navy
•
Filing: 1968-02-12
•
Granted: 1970-03-10
•
Expires: 1988-02-12
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Douda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:30
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/26; F42B4/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832855A
Cited
US2044024A
Cited
GB509207A
Cited
GB548963A
Cited
US2700603A
Cited
US3083526A
Cited
US3309249A
Cited
US3411964A
Cited
US3411963A
Cited
US3432370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |