US3323019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric igniter for burners
Assignee: —
•
Filing: —
•
Granted: 1967-05-30
•
Expires: 1984-05-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:29
CPC Classifications
F; F23; F23Q; F23Q3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A FUEL BURNER IGNITION DEVICE, FIXED SUPPORT MEANS, A FUEL INJECTION NOZZLE MOUNTED ON SAID SUPPORT MEANS, A FIRST ELECTRODE RIGIDLY SECURED TO SAID SUPPORT MEANS AND HAVING A CONTACT POINT ADJACENT SAID NOZZLE, A SPRING PLATE HAVING A FIRST ARM SECURED TO SAID FIXED SUPPORT MEANS AND HAVING A MAGNETIC SECOND ARM, A SECOND ELECTRODE SECURED ON SAID MAGNETIC SECOND ARM AND HAVING A CONTACT POINT NORMALLY ENGAGING SAID FIRST-NAMED CONTACT POINT UNDER THE BIASING FORCE OF SAID SPRING PLATE, AN ELECTROMAGNET MOUNTED ON SAID FIXED SUPPORT MEANS IN A POSITION TO EXERT AN ATTRACTIVE FORCE ON SAID MAGNETIC SEC-
Claim 2
Dependent Claim
102 words
IN A FUEL BURNER IGNITION DEVICE, FIXED SUPPORT MEANS, A FUEL INJECTION NOZZLE MOUNTED ON SAID SUPPORT MEANS, A FIRST ELECTRODE RIGIDLY SECURED TO SAID SUPPORT MEANS AND HAVING A CONTACT POINT ADJACENT SAID NOZZLE, A SPRING PLATE HAVING A FIRST ARM SECURED TO SAID FIXED SUPPORT MEANS AND HAVING A MAGNETIC SECOND ARM, A SECOND ELECTRODE SECURED ON SAID MAGNETIC SECOND ARM AND HAVING A CONTACT POINT NORMALLY ENGAGING SAID FIRST-NAMED CONTACT POINT UNDER THE BIASING FORCE OF SAID SPRING PLATE, AN ELECTROMAGNET MOUNTED ON SAID FIXED SUPPORT MEANS IN A POSITION TO EXERT AN ATTRACTIVE FORCE ON SAID MAGNETIC SEC-
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |