Patent US3301305A successfully refreshed from Google Patents.
US3301305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion apparatus for a boiler
Assignee: Vapor Corp
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Filing: 1965-11-05
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Granted: 1967-01-31
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Expires: 1985-11-05
Abstract
No abstract record available.
Inventors
- 👤 J D Kimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:33
CPC Classifications
F; F23; F23C; F23C7/00; F23C7/002; F23C7/004; F23D; F23D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A BURNER ASSEMBLY ADAPTED TO BE MOUNTED ON A FIREPOT AND IN ALIGNMENT WITH A COMBUSTION THROAT THEREOF, SAID BURNER ASSEMBLY COMPRISING A TUBULAR HOLDER FOR A FUEL NOZZLE AXIALLY ALIGNED WITH SAID COMBUSTION THROAT, A MAIN SPINNING CONE EXTENDING AT A SUBSTANTIALLY 45* ANGLE TO A PLANE INTERSECTING AT RIGHT ANGLES THE AXIS OF SAID HOLDER AND THROAT FOR DIRECTING A SPINNING BLAST OF AIR TOWARD THE FUEL SPRAY DISCHARGED FROM A NOZZLE RECEIVED IN SAID HOLDER, A SECONDARY SPINNING CONE EXTENDING AT A SUBSTANTIALLY 15* ANGLE TO A PLANE INTERSECT-
Claim 2
Dependent Claim
92 words
A BURNER ASSEMBLY ADAPTED TO BE MOUNTED ON A FIREPOT AND IN ALIGNMENT WITH A COMBUSTION THROAT THEREOF, SAID BURNER ASSEMBLY COMPRISING A TUBULAR HOLDER FOR A FUEL NOZZLE AXIALLY ALIGNED WITH SAID COMBUSTION THROAT, A MAIN SPINNING CONE EXTENDING AT A SUBSTANTIALLY 45* ANGLE TO A PLANE INTERSECTING AT RIGHT ANGLES THE AXIS OF SAID HOLDER AND THROAT FOR DIRECTING A SPINNING BLAST OF AIR TOWARD THE FUEL SPRAY DISCHARGED FROM A NOZZLE RECEIVED IN SAID HOLDER, A SECONDARY SPINNING CONE EXTENDING AT A SUBSTANTIALLY 15* ANGLE TO A PLANE INTERSECT-
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |