US2919154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ground load releasing devices for load carrying parachutes
Assignee: Individual
•
Filing: 1957-01-02
•
Granted: 1959-12-29
•
Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Schart Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:05
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/38; B64D17/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732245A
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US2057699A
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US2414023A
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US2413450A
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US2424215A
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US2534704A
Cited
US2667376A
Cited
US2685924A
Cited
US2693980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |