US2930145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute landing fall trainer
Assignee: Individual
•
Filing: 1955-12-16
•
Granted: 1960-03-29
•
Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Howard S Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:06
CPC Classifications
B; B64; B64D; B64D21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1593704A
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US2132908A
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US2254910A
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US2226188A
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US2312583A
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US2518934A
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US2589315A
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US2649209A
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US2700440A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |