Patent US2670595A successfully refreshed from Google Patents.
US2670595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure supercharging system
Assignee: Individual
•
Filing: 1949-10-19
•
Granted: 1954-03-02
•
Expires: 1969-10-19
Abstract
No abstract record available.
Inventors
- 👤 Miller Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:35
CPC Classifications
F; F02; F02D; F02D13/00; F02D13/02; F02D13/0223; F02D13/0234; F02B; F02B41/00; F02D13/0261; F02D13/0269; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B2275/00; F02B2275/14; F02B2275/32; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2191459A
Cited
US1301972A
Cited
US1856024A
Cited
US1680505A
Cited
US2159017A
Cited
US2292233A
Cited
US2202227A
Cited
US2379455A
Cited
US2423417A
Cited
US2422162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |