US3129748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: Koehring Co
•
Filing: 1961-06-15
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Granted: 1964-04-21
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harold E Varvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:05
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/408; F23D11/10; F23D11/406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A BURNER ASSEMBLY COMPRISING, A BURNER BODY HAVING AN OPERATING FACE, PLATE MEANS CAPPING SAID FACE AND PROJECTING OUTWARDLY THEREFROM IN A PERIPHERAL SENSE, AN APERTURE IN SAID PLATE MEANS, MEANS FIXED IN SAID BODY DEFINING A SIPHON NOZZLE ARRANGED TO DELIVER FUEL THROUGH SAID APERTURE IN AN ATOMIZED CONDITION, MEANS DEFINING RECESSES IN SAID FACE SPACED ABOUT SAID NOZZLE AND HAVING OPENINGS THEREFROM IN DIRECT COMMUNICATION WITH THE APERTURE IN SAID PLATE MEANS, AND MEANS FOR CREATING A SWIRLING FLOW OF AIR IN SAID RECESSES TO CAUSE THE AIR TO EXIT THEREFROM IN A TURBULENT SWIRL PASSING IMMEDIATELY ABOUT SAID NOZZLE AND THROUGH SAID APERTURE.
Claim 2
Dependent Claim
106 words
A BURNER ASSEMBLY COMPRISING, A BURNER BODY HAVING AN OPERATING FACE, PLATE MEANS CAPPING SAID FACE AND PROJECTING OUTWARDLY THEREFROM IN A PERIPHERAL SENSE, AN APERTURE IN SAID PLATE MEANS, MEANS FIXED IN SAID BODY DEFINING A SIPHON NOZZLE ARRANGED TO DELIVER FUEL THROUGH SAID APERTURE IN AN ATOMIZED CONDITION, MEANS DEFINING RECESSES IN SAID FACE SPACED ABOUT SAID NOZZLE AND HAVING OPENINGS THEREFROM IN DIRECT COMMUNICATION WITH THE APERTURE IN SAID PLATE MEANS, AND MEANS FOR CREATING A SWIRLING FLOW OF AIR IN SAID RECESSES TO CAUSE THE AIR TO EXIT THEREFROM IN A TURBULENT SWIRL PASSING IMMEDIATELY ABOUT SAID NOZZLE AND THROUGH SAID APERTURE.
References Cited (Backward Citations)
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US2156121A
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US2221519A
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |