US3279705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner nozzle
Assignee: Aqua Chem Inc
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Filing: 1964-03-13
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Granted: 1966-10-18
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 John L Stiefel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
AN ATMOSPHERIC GAS BURNER NOZZLE COMPRISING A FITTING, A FLAT EXTERIOR FACE ON SAID FITTING, A FUEL CAVITY WITHIN SAID FITTING, SAID CAVITY HAVING A DOMED END ADJACENT SAID EXTERIOR FACE, A PLURALITY OF GAS OUTLET BORES EXTENDING FROM THEIR INNER ENDS IN COMMUNICATION WITH SAID CAVITY THROUGH THE DOMED END THEROF TO THE OUTER ENDS OPENING THROUGH SAID EXTERIOR FACE, SAID INNER ENDS BEING ANGULARLY SPACED IN A FIRST CIRCULAR ARRAY AND SAID OURER ENDS BEING ANGULARLY SPACED IN A SECOND CIRCULAR ARRAY OF LARGER DIAMETER THAN THE FIRST CIRCULAR ARRAY, WITH SAID BORES BEING INCLINED TO PLANES PASSING THROUGH THE LONGITUDINAL AXIS OF SAID CAVITY TO DIRECT FUEL EMITTED FROM EACH OF SAID BORES IN A SPIRAL PATH.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |