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Patent US2537091A successfully refreshed from Google Patents.
US2537091A
Expired / Lapsed
US
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Waste gas burner
Assignee: Universal Oil Products Co
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Filing: 1945-10-20
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Granted: 1951-01-09
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Expires: 1965-10-20
Abstract
No abstract record available.
Inventors
- 👤 Rodman Hugh
- 👤 Bernard M Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:04
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/08; F23G7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |