Patent US2936056A successfully refreshed from Google Patents.
US2936056A
Expired / Lapsed
US
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Variable length inflatable escape chute
Assignee: Garrett Corp
•
Filing: 1957-09-30
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Granted: 1960-05-10
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Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 William L Heyniger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:28
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/14; A; A62; A62B; A62B1/00; A62B1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2765131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |