US2603085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of ascertaining combustion characteristics of premixtures
Assignee: Emhart Manufacturing Co
•
Filing: 1947-08-19
•
Granted: 1952-07-15
•
Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Madison M Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:39
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/71; G01N21/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1627204A
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US1525406A
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US2052181A
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US1942323A
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US2058522A
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US2523721A
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US2519237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |