US3533238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inlet control system
Assignee: General Electric Co
•
Filing: 1968-12-23
•
Granted: 1970-10-13
•
Expires: 1988-12-23
Abstract
No abstract record available.
Inventors
- 👤 Ira E Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:47
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/057; Y; Y10; Y10T; Y10T137/00; Y10T137/0536; Y10T137/0645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2997843A
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US2971328A
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US3102387A
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US2971329A
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US2971330A
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US3139922A
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US3067578A
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US3301269A
Cited
US3172622A
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US3181818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |