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US2664610A
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Parachute quick-release device
Assignee: Individual
•
Filing: 1949-09-30
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Granted: 1954-01-05
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Carl H Hannemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:42
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10S24/36; Y10T; Y10T24/00; Y10T24/34; Y10T24/3401; Y10T24/3423; Y10T24/45; Y10T24/45005; Y10T24/4501; Y10T24/45079; Y10T24/45084; Y10T24/47; Y10T24/4755
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US783064A
Cited
US1463149A
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US2153077A
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US2405333A
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US2393072A
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US2469574A
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US2574296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |