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Patent US2780279A successfully refreshed from Google Patents.
US2780279A
Expired / Lapsed
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Oil burner having variable oil and air control
Assignee: ZF Active Safety US Inc
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Filing: 1954-07-09
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Granted: 1957-02-05
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Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 Delmond L Getz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:12
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/46; F23N; F23N1/00; F23N1/02
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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |