US2978212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute and attached sleeve
Assignee: Parachutes Inc
•
Filing: 1957-10-30
•
Granted: 1961-04-04
•
Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jacques A Istel
- 👤 Lewis B Sanborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:14
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1466988A
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US2467024A
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US2501559A
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US2519923A
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US2497772A
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US2593432A
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US2702679A
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US2663525A
Cited
DE931870C
Cited
US2749066A
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US2765132A
Cited
FR1114023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |