US2602291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant explosion power unit with dilution air
Assignee: Ingersoll Rand Co
•
Filing: 1947-12-16
•
Granted: 1952-07-08
•
Expires: 1967-12-16
Abstract
No abstract record available.
Inventors
- 👤 Farnell George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:14
CPC Classifications
F; F23; F23R; F23R7/00; F02; F02C; F02C5/00; F02C5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US332313A
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GB190501329A
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GB190727724A
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GB176838A
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GB188642A
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GB239434A
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DE576886C
Cited
GB574554A
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US2523379A
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US2480626A
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US2550515A
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US2546966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |