Patent US3223331A successfully refreshed from Google Patents.
US3223331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner nozzles
Assignee: Individual
•
Filing: 1962-08-21
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Granted: 1965-12-14
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Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:09
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/38; F23D11/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN OIL BURNER NOZZLE CONSISTING OF: A NOZZLE HEAD HAVING AN ORIFICE THROUGH ONE END THEREOF; A LIP CIRCUMSCRIBING THE ORIFICE END OF SAID NOZZLE HEAD, SAID LIP EXTENDING FORWARDLY AND REARWARDLY FROM SAID ORIFICE A SUBSTANTIAL DISTANCE AND HAVING A GREATER INNER DIAMETER AT ITS REARWARD END THAN AT ITS FORWARD END, THEREBY FORMING AN EXTERIOR RESERVOIR ON SAID NOZZLE HEAD; A CORE, RECESSED AT ITS REARWARD END, DISPOSED WITHIN SAID NOZZLE HEAD, SAID CORE BEING PROVIDED WITH FUEL PASSING MEANS COMMUNICATING ITS RECESSED INTERIOR WITH SAID NOZZLE ORIFICE; CORE RETAINING MEANS ENGAGING WITH SAID NOZZLE HEAD AND THE RECESSED END OF SAID CORE, RETAINING SAID CORE WITHIN SAID NOZZLE, SAID RETAINING MEANS HAVING A PASSAGEWAY THERETHROUGH; A VALVE SEATED AT SAID PASSAGEWAY THROUGH SAID CORE RETAINING MEANS; AND A SPRING POSITIONED WITHIN SAID CORE ENGAGING WITH AND TENSIONING SAID VALVE.
Claim 2
Dependent Claim
142 words
AN OIL BURNER NOZZLE CONSISTING OF: A NOZZLE HEAD HAVING AN ORIFICE THROUGH ONE END THEREOF; A LIP CIRCUMSCRIBING THE ORIFICE END OF SAID NOZZLE HEAD, SAID LIP EXTENDING FORWARDLY AND REARWARDLY FROM SAID ORIFICE A SUBSTANTIAL DISTANCE AND HAVING A GREATER INNER DIAMETER AT ITS REARWARD END THAN AT ITS FORWARD END, THEREBY FORMING AN EXTERIOR RESERVOIR ON SAID NOZZLE HEAD; A CORE, RECESSED AT ITS REARWARD END, DISPOSED WITHIN SAID NOZZLE HEAD, SAID CORE BEING PROVIDED WITH FUEL PASSING MEANS COMMUNICATING ITS RECESSED INTERIOR WITH SAID NOZZLE ORIFICE; CORE RETAINING MEANS ENGAGING WITH SAID NOZZLE HEAD AND THE RECESSED END OF SAID CORE, RETAINING SAID CORE WITHIN SAID NOZZLE, SAID RETAINING MEANS HAVING A PASSAGEWAY THERETHROUGH; A VALVE SEATED AT SAID PASSAGEWAY THROUGH SAID CORE RETAINING MEANS; AND A SPRING POSITIONED WITHIN SAID CORE ENGAGING WITH AND TENSIONING SAID VALVE.
References Cited (Backward Citations)
US2733960A
Cited
US2071920A
Cited
US2407915A
Cited
US2590772A
Cited
US2569033A
Cited
US2628867A
Cited
US2660474A
Cited
US2643915A
Cited
US2772120A
Cited
US2921747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |