US2744384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner construction for high velocity gases
Assignee: RTX Corp
•
Filing: 1952-08-09
•
Granted: 1956-05-08
•
Expires: 1972-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Loughran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:52
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F23; F23C; F23C3/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1512579A
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US2090039A
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US2525207A
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US2637972A
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US2592110A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |