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Patent US2393172A successfully refreshed from Google Patents.
US2393172A
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US
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Supercharger control system
Assignee: General Electric Co
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Filing: 1942-07-13
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Granted: 1946-01-15
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Expires: 1962-07-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Larrecq
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:42
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0246; F02D2700/0256; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-14 | 1949-07-16 | 1950-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-14 | 1953-07-16 | 1954-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-14 | 1957-07-16 | 1958-01-15 | $7700.00 | Window Closed / Lapsed |