Patent US3995162A successfully refreshed from Google Patents.
Patent US2336010A successfully refreshed from Google Patents.
US2336010A
Expired / Lapsed
US
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Supercharger
Assignee: Fairchild Engine and Airplane Corp
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Filing: 1942-09-17
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Granted: 1943-12-07
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Expires: 1962-09-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred T Gregory
- 👤 Eugene W Wasielewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:48
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/4213; F02; F02B; F02B33/00; F04D27/00; F04D27/02; F04D27/0246; F02M; F02M2700/00; F02M2700/33; F02M2700/331; F05; F05D; F05D2260/00; F05D2260/14
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) | 1946-12-06 | 1947-06-07 | 1947-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-06 | 1951-06-07 | 1951-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-06 | 1955-06-07 | 1955-12-07 | $7700.00 | Window Closed / Lapsed |