Patent US2594059A successfully refreshed from Google Patents.
US2594059A
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US
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Flame control apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1947-12-19
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Granted: 1952-04-22
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Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 George W Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/12; F23N5/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1872880A
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US1880871A
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US1936784A
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US2003624A
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US2081091A
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US2231420A
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US2295885A
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US2352240A
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US2411888A
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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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |