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US2872138A
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Device for decelerating the sinking speed of a dropped load
Assignee: AEROPHYSICS DEV CORP
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Filing: 1956-08-23
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Granted: 1959-02-03
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Expires: 1976-08-23
Abstract
No abstract record available.
Inventors
- 👤 Vogt Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:25
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2560445A
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US2414284A
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US2539643A
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US2486403A
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FR986713A
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US2693327A
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US2738147A
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FR1115776A
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US2730317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |