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US2696959A
Expired / Lapsed
US
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Parachute canopy structure
Assignee: Individual
•
Filing: 1952-01-26
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Granted: 1954-12-14
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Expires: 1972-01-26
Abstract
No abstract record available.
Inventors
- 👤 Jackson A Ailco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:05
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319553A
Cited
US1328425A
Cited
FR640891A
Cited
FR678946A
Cited
US2127895A
Cited
US2410207A
Cited
US2412392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |