US3249146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner ignition system
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1963-11-18
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Granted: 1966-05-03
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph Border Remick
- 👤 Polkinghorn Melvin William
- 👤 Anderson Maynard Eldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:37
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q7/00; F23Q7/06; F23Q7/10; F23Q7/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
AN ELECTRIC IGNITION SYSTEM FOR A GAS BURNER COMPRISING AN ELECTRIC IGNITER, AN ELECTRIC GAS VALVE, AND AN ELECTRIC TIMER; SAID TIMER COMPRISING FIRST CONDUIT MEANS OPERABLE TO ENERGIZE THE IGNITER AND GAS VALVE FOR A PREDETERMINED TIME PERIOD TO ESTABLISH A FLAME AT THE BURNER; SAID TIMER FURTHER COMPRISING SECOND CIRCUIT MEANS OPERABLE TO ENERGIZE THE GAS VALVE AND DE-ENERGIZE THE IGNITER AFTER ESTABLISHING OF A FLAME; SAID TIMER FURTHER COMPRISING CIRCUIT MEANS AUTOMATICALLY OPERABLE IN RESPONSE TO FLAME FAILURE TO ENERGIZE BOTH THE GAS VALVE AND IGNITER FOR A PREDETERMINED TIME PERIOD IN AN ATTEMPT TO REESTABLISH THE FLAME; SAID TIMER FURTHER COMPRISING CIRCUIT MEANS AUTOMATICALLY OPERABLE TO DE-ENERGIZE BOTH THE GAS VALVE AND IGNITER IN THE EVENT THE ATTEMPT TO RE-ESTABLISH FLAME IS UNSUCCESSFUL.
References Cited (Backward Citations)
US1876281A
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US2170426A
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US2346284A
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US2384372A
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US2550507A
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US2695054A
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US2960158A
Cited
US3158194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |