Patent US3004489A successfully refreshed from Google Patents.
US3004489A
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US
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Aerodynamic structural separation device and method
Assignee: General Electric Co
•
Filing: 1958-01-09
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Granted: 1961-10-17
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 David E Griffith
- 👤 Richard H Heffelfinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:41
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/64; B64G1/641; B64D; B64D27/00; B64D27/02; B64D27/023; B64G1/645; B64G1/6455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318926A
Cited
US1365865A
Cited
US1978641A
Cited
US1834149A
Cited
GB473958A
Cited
US2397114A
Cited
US2913983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |