Patent US2923288A successfully refreshed from Google Patents.
US2923288A
Expired / Lapsed
US
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Safety combustion apparatus for aircraft
Assignee: Stewart Warner Corp
•
Filing: 1956-12-03
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Granted: 1960-02-02
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Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Jack R Burtt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:51
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1090874A
Cited
US1333229A
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US2451625A
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US2445466A
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US2707864A
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US2759802A
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US2772860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |