Patent US3398535A successfully refreshed from Google Patents.
US3398535A
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US
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Engine supporting structure
Assignee: General Electric Co
•
Filing: 1966-05-25
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Granted: 1968-08-27
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Expires: 1986-05-25
Abstract
No abstract record available.
Inventors
- 👤 William B Campbell
- 👤 Hemsworth Martin Carl
- 👤 Augustus M Helmintoller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:38
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/18; F; F02; F02C; F02C7/00; F02C7/20; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3070285A
Cited
US3262270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |