Patent US3393885A successfully refreshed from Google Patents.
US3393885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachutes
Assignee: Individual
•
Filing: 1966-05-31
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Granted: 1968-07-23
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Otto W Neumark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:43
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/06; B60; B60V; B60V1/00; B60V1/16; B64C31/028; B64C31/036; B64D; B64D17/00; B64D17/40; B64D17/52
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |