US3472027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control systems for axial flow compressors particularly adapted for use in gas turbine engines
Assignee: General Electric Co
•
Filing: 1966-12-22
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Granted: 1969-10-14
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Barton H Snow
- 👤 Ronald F Borel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:39
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641105A
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US2761280A
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US2693081A
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US2933887A
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US3041826A
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US3293847A
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US3342031A
Cited
US3316713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |