US3324925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner
Assignee: AO Smith Corp
•
Filing: 1965-06-23
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Granted: 1967-06-13
•
Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 David J Mclaren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:56
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A GAS BURNER ASSEMBLY, COMPRISING A BURNER BODY INCLUDING A CUP-SHAPED MEMBER HAVING AN OPEN TOP, SAID MEMBER HAVING A GAS INLET HOLE IN THE LOWER SURFACE THEREOF AND HAVING A SERIES OF AIR INLET OPENINGS IN THE SIDE WALL THEREOF, A RIM EXTENDING OUTWARDLY FROM THE UPPER END OF SAID CUP-SHAPED MEMBER, SAID RIM HAVING A PERIPHERAL EDGE EXTENDING DOWNWARDLY AT AN ANGLE TO THE HORIZONTAL, A GENERALLY CIRCULAR HEAD DISPOSED ABOVE THE RIM, SAID HEAD HAVING A PERIPHERAL EDGE EXTENDING UPWARDLY AT AN ANGLE TO THE HORIZONTAL, AND A SERIES OF CIRCUMFERENTIALLY SPACED MEMBERS DISPOSED BETWEEN THE RIM AND THE HEAD WITH THE SPACES BETWEEN SAID MEMBERS DEFINING A SERIES OF GAS OUTLET PORTS HAVING GENERALLY VSHAPED OUTER ORIFICES DEFINED BY THE PERIPHERAL EDGES OF SAID RIM AND SAID HEAD, SAID MEMBERS BEING ELONGATED IN A RADIAL DIRECTION AND THE SPACE BETWEEN ADJACENT MEMBERS BEING SUBSTANTIALLY UNIFORM IN A RADIAL DIRECTION.
Claim 2
Dependent Claim
153 words
A GAS BURNER ASSEMBLY, COMPRISING A BURNER BODY INCLUDING A CUP-SHAPED MEMBER HAVING AN OPEN TOP, SAID MEMBER HAVING A GAS INLET HOLE IN THE LOWER SURFACE THEREOF AND HAVING A SERIES OF AIR INLET OPENINGS IN THE SIDE WALL THEREOF, A RIM EXTENDING OUTWARDLY FROM THE UPPER END OF SAID CUP-SHAPED MEMBER, SAID RIM HAVING A PERIPHERAL EDGE EXTENDING DOWNWARDLY AT AN ANGLE TO THE HORIZONTAL, A GENERALLY CIRCULAR HEAD DISPOSED ABOVE THE RIM, SAID HEAD HAVING A PERIPHERAL EDGE EXTENDING UPWARDLY AT AN ANGLE TO THE HORIZONTAL, AND A SERIES OF CIRCUMFERENTIALLY SPACED MEMBERS DISPOSED BETWEEN THE RIM AND THE HEAD WITH THE SPACES BETWEEN SAID MEMBERS DEFINING A SERIES OF GAS OUTLET PORTS HAVING GENERALLY VSHAPED OUTER ORIFICES DEFINED BY THE PERIPHERAL EDGES OF SAID RIM AND SAID HEAD, SAID MEMBERS BEING ELONGATED IN A RADIAL DIRECTION AND THE SPACE BETWEEN ADJACENT MEMBERS BEING SUBSTANTIALLY UNIFORM IN A RADIAL DIRECTION.
References Cited (Backward Citations)
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US3124108A
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US1134628A
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US2334398A
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GB975426A
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FR1277745A
Cited
FR1291052A
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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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |