Patent US3311157A successfully refreshed from Google Patents.
US3311157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mertler etal. thermal probe and pilot burner
Assignee: —
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Filing: —
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Granted: 1967-03-28
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Expires: 1984-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:29
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/203; F23N5/02; F23Q; F23Q7/00; F23Q7/06; F23Q7/22; F23Q9/00; F24; F24C; F24C3/00; F24C3/10; F24C3/103; F23D; F23D2207/00; F23N2227/00; F23N2227/22; F23N2227/28; F23N2229/00; F23N2900/00; F23N2900/05005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A BURNER IGNITION UNIT COMPRISING A HOUSING HAVING A RECESS THEREIN AND AN OPENING LEADING INTO SAID RECESS, AN ELONGATED PILOT BURNER ATTACHED TO SAID HOUSING AND PROJECTING THEREFROM, AN IGNITION COIL POSITIONED TO IGNITE THE PILOT BURNER, TERMINALS ATTACHED TO SAID HOUSING AND RIGIDLY SUPPORTING SAID IGNITION COIL AND PROVIDING ELECTRICAL CONNECTIONS THERETO, A SUPPORT MEMBER ATTACHED TO THE END OF SAID PILOT BURNER AWAY FROM SAID HOUSING, AN ADJUSTING SCREW THREADED IN SAID SUPPORT MEMBER AND HAVING A RECESS,
Claim 2
Dependent Claim
81 words
A BURNER IGNITION UNIT COMPRISING A HOUSING HAVING A RECESS THEREIN AND AN OPENING LEADING INTO SAID RECESS, AN ELONGATED PILOT BURNER ATTACHED TO SAID HOUSING AND PROJECTING THEREFROM, AN IGNITION COIL POSITIONED TO IGNITE THE PILOT BURNER, TERMINALS ATTACHED TO SAID HOUSING AND RIGIDLY SUPPORTING SAID IGNITION COIL AND PROVIDING ELECTRICAL CONNECTIONS THERETO, A SUPPORT MEMBER ATTACHED TO THE END OF SAID PILOT BURNER AWAY FROM SAID HOUSING, AN ADJUSTING SCREW THREADED IN SAID SUPPORT MEMBER AND HAVING A RECESS,
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |