Patent US3072344A successfully refreshed from Google Patents.
US3072344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary y-jet spray head assembly
Assignee: Babcock International Ltd
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Filing: 1960-12-19
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Granted: 1963-01-08
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:07
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A LIQUID FUEL BURNER COMPRISING A SLEEVE HOUSING, AN INNER CONDUIT CONCENTRICALLY DISPOSED WITHIN SAID HOUSING TO FORM A PASSAGEWAY FOR A FIRST FLUID, AN OUTER CONDUIT CONCENTRICALLY DISPOSED WITH RESPECT TO SAID INNER CONDUIT AND FORMING THEREBETWEEN AN ANNULAR PASSAGEWAY FOR A SECOND FLUID, MEANS IN SAID HOUSING FORMING INLETS FOR SAID RESPECTIVE PASSAGEWAYS, A ONE-PIECE ATOMIZING HEAD CONNECTED TO THE DISCHARGE ENDS OF SAID CONDUITS, AND A SEALING MEANS DISPOSED BETWEEN SAID OUTER CONDUIT AND SAID HOUSING, SAID SEALING MEANS COMPRISING INNER AND OUTER ANNULAR MEMBERS HAVING OPPOSED COMPLEMENTARY LATERAL SURFACES AND A COMPRESSIBLE SEALING RING WEDGE BETWEEN SAID ANNULAR MEMBERS, A COLLAR ARRANGED TO BEAR ON THE OUTER FACE OF SAID OUTER ANNULAR MEMBER TO CLOSE THE OUTER END OF SAID HOUSING ABOUT SAID CONDUITS, AND MEANS FOR SERIALLY PRESSURIZING SAID ANNULAR MEMBERS AND SAID SEALING RING WITH SAID SECOND FLUID TO ENHANCE THE SEALING EFFECT THEREOF.
Claim 2
Dependent Claim
150 words
A LIQUID FUEL BURNER COMPRISING A SLEEVE HOUSING, AN INNER CONDUIT CONCENTRICALLY DISPOSED WITHIN SAID HOUSING TO FORM A PASSAGEWAY FOR A FIRST FLUID, AN OUTER CONDUIT CONCENTRICALLY DISPOSED WITH RESPECT TO SAID INNER CONDUIT AND FORMING THEREBETWEEN AN ANNULAR PASSAGEWAY FOR A SECOND FLUID, MEANS IN SAID HOUSING FORMING INLETS FOR SAID RESPECTIVE PASSAGEWAYS, A ONE-PIECE ATOMIZING HEAD CONNECTED TO THE DISCHARGE ENDS OF SAID CONDUITS, AND A SEALING MEANS DISPOSED BETWEEN SAID OUTER CONDUIT AND SAID HOUSING, SAID SEALING MEANS COMPRISING INNER AND OUTER ANNULAR MEMBERS HAVING OPPOSED COMPLEMENTARY LATERAL SURFACES AND A COMPRESSIBLE SEALING RING WEDGE BETWEEN SAID ANNULAR MEMBERS, A COLLAR ARRANGED TO BEAR ON THE OUTER FACE OF SAID OUTER ANNULAR MEMBER TO CLOSE THE OUTER END OF SAID HOUSING ABOUT SAID CONDUITS, AND MEANS FOR SERIALLY PRESSURIZING SAID ANNULAR MEMBERS AND SAID SEALING RING WITH SAID SECOND FLUID TO ENHANCE THE SEALING EFFECT THEREOF.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |