US2676460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner construction of the can-an-nular type having means for distributing airflow to each can
Assignee: RTX Corp
•
Filing: 1950-03-23
•
Granted: 1954-04-27
•
Expires: 1970-03-23
Abstract
No abstract record available.
Inventors
- 👤 Edmund D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:56
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508718A
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US1603032A
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US2404334A
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US2410450A
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US2586751A
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US2569446A
Cited
US2422213A
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US2448561A
Cited
US2488911A
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US2560207A
Cited
US2552492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |