US3664804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: Texaco Inc
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Filing: 1970-12-07
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Granted: 1972-05-23
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Expires: 1990-12-07
Abstract
Abstract A GUN TYPE OIL BURNER HAVING A RESTRICTION PLATE IN THE BARREL WITH ADJUSTABLE ORIFICES PROVIDED WITH STRUCK-OUT RADIALLY EXTENDING DEFLECTING VANES TO EFFECT A SPIRAL SPINNING ACTION OF THE AIR STREAM UPSTREAM OF THE BURNER TIP, SAID BURNER TIP INVOLVING A FRUSTOCONICAL COLLAR TO CONSTRICT AND CHOKE THE SPIRALLY FLOWING AIR.
Inventors
- 👤 Norman E Flournoy
- 👤 John A Morrison
- 👤 Julian H Dancy
- 👤 Raymond Trippet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:02
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |