Patent US2547327A successfully refreshed from Google Patents.
US2547327A
Expired / Lapsed
US
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Combined internal-combustion engine and supercharger
Assignee: Individual
•
Filing: 1946-04-22
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Granted: 1951-04-03
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Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur S King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/34; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US644951A
Cited
US963366A
Cited
GB191120024A
Cited
US1146545A
Cited
FR459089A
Cited
FR494602A
Cited
GB129726A
Cited
US1350260A
Cited
US1780635A
Cited
US1929885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |