US2480407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute apparatus
Assignee: Individual
•
Filing: 1946-03-01
•
Granted: 1949-08-30
•
Expires: 1966-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward S Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:12
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1458586A
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US1795168A
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US1934585A
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US1817725A
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US1847189A
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US1843234A
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US2380372A
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US2383293A
Cited
US2382442A
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US2467024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |