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 02:29
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
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References Cited (Backward Citations)
US2191459A
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US1301972A
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US1856024A
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US1680505A
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US2159017A
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US2292233A
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US2202227A
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US2379455A
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US2423417A
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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 |