US2547327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined internal-combustion engine and supercharger
Assignee: Individual
•
Filing: 1946-04-22
•
Granted: 1951-04-03
•
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 17:30
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/34; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |