US2918235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute devices
Assignee: Individual
•
Filing: 1956-12-18
•
Granted: 1959-12-22
•
Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Aberg Lars Douglas
- 👤 Aberg Carl Rustan
- 👤 Wilson Manne Ingvar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:29
CPC Classifications
B; B64; B64D; B64D19/00; B64D19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964016A
Cited
US2614636A
Cited
US2606495A
Cited
US2654320A
Cited
US2671398A
Cited
GB745252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |