US2481116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute canopy release device
Assignee: Individual
•
Filing: 1947-01-23
•
Granted: 1949-09-06
•
Expires: 1967-01-23
Abstract
No abstract record available.
Inventors
- 👤 James W Horning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:46
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/54; Y10S24/56; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/4501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |