Patent US2630009A successfully refreshed from Google Patents.
US2630009A
Expired / Lapsed
US
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Combustion severity indicator
Assignee: —
•
Filing: —
•
Granted: 1953-03-03
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Expires: 1970-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:53
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/04; G01M15/11; F; F02; F02B; F02B77/00; F02B77/08; F02D; F02D35/00; F02D35/02; F02D35/023; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1542096A
Cited
US1511574A
Cited
US1478090A
Cited
US2052764A
Cited
US1881266A
Cited
US2137530A
Cited
US2331128A
Cited
GB562857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |