Patent US2444494A successfully refreshed from Google Patents.
US2444494A
Expired / Lapsed
US
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Hydroxylating pot type hydrocarbon burner
Assignee: BREESE BURNERS Inc
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Filing: 1943-11-15
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Granted: 1948-07-06
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Expires: 1963-11-15
Abstract
No abstract record available.
Inventors
- 👤 James L Breese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:43
CPC Classifications
F; F23; F23D; F23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1940879A
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US2200861A
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FR817368A
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US2187261A
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US2259743A
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US2212078A
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US2286489A
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US2302707A
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US2326221A
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US2381744A
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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) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |