Patent US420476A successfully refreshed from Google Patents.
Patent EP0152807B1 successfully refreshed from Google Patents.
US3294147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner control system
Assignee: —
•
Filing: —
•
Granted: 1966-12-27
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Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/24; F23N5/242; F02; F02D; F02D33/00; F02D33/003; F02D33/006; F23K; F23K5/00; F23K5/02; F23K5/04; F23N1/00; F23N1/005; F23N2235/00; F23N2235/12; F23N2235/14; F23N2241/00; F23N2241/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A LIQUID FUEL BURNER CONTROL SYSTEM COMPRISING: A PRIME MOVER; A COMBUSTION CHAMBER HAVING A FUEL NOZZLE COMMUNICATING THEREWITH; A FUEL SUPPLY SYSTEM INCLUDING A FUEL RESERVOIR; A PUMP CONNECTED TO SAID RESERVOIR AND COUPLED IN DRIVEN RELATIONSHIP TO SAID PRIME MOVER, A CONDIUT COUPLED SAID BURNER FUEL NOZZLE TO SAID PUMP; AN ELECTRICAL SYSTEM INCLUDING AN ELECTRICALLY-OPERATED NORMALLY CLOSED VALUE IN SAID CONDUIT, A MAGNETO COUPLED IN DRIVEN RELATIONSHIP TO SAID PRIME MOVER AND HAVING A SECONDARY WINDING AND HAVING A PRIMARY WINDING ELECTRICALLY COUPLED IN CONTROLLING RELATIONSHIP TO SAID ELECTRICALLY-OPERATED VALVE, AND NORMALLY CLOSED INTERRUPTER CONTACT MENS CONNECTED TO SAID PRIMARY WINDING, THERMOSTAT SWITCH MEANS
Claim 2
Dependent Claim
107 words
A LIQUID FUEL BURNER CONTROL SYSTEM COMPRISING: A PRIME MOVER; A COMBUSTION CHAMBER HAVING A FUEL NOZZLE COMMUNICATING THEREWITH; A FUEL SUPPLY SYSTEM INCLUDING A FUEL RESERVOIR; A PUMP CONNECTED TO SAID RESERVOIR AND COUPLED IN DRIVEN RELATIONSHIP TO SAID PRIME MOVER, A CONDIUT COUPLED SAID BURNER FUEL NOZZLE TO SAID PUMP; AN ELECTRICAL SYSTEM INCLUDING AN ELECTRICALLY-OPERATED NORMALLY CLOSED VALUE IN SAID CONDUIT, A MAGNETO COUPLED IN DRIVEN RELATIONSHIP TO SAID PRIME MOVER AND HAVING A SECONDARY WINDING AND HAVING A PRIMARY WINDING ELECTRICALLY COUPLED IN CONTROLLING RELATIONSHIP TO SAID ELECTRICALLY-OPERATED VALVE, AND NORMALLY CLOSED INTERRUPTER CONTACT MENS CONNECTED TO SAID PRIMARY WINDING, THERMOSTAT SWITCH MEANS
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |