Patent US3424950A successfully refreshed from Google Patents.
US3424950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic make and break igniter
Assignee: Individual
•
Filing: 1964-09-21
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Granted: 1969-01-28
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Richard Halm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:02
CPC Classifications
F; F23; F23Q; F23Q5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A MAGNETIC MAKE-AND-BREAK IGNITER, COMPRISING; A HOUSING FOR SAID IGNITER, A PERMANENT MAGNET, AN ARMATURE EXTENDING FROM EACH END OF SAID MAGNET INTO CLOSELY ADJACENT SPACED DISPOSITION, A CONTACT MEMBER ENGAGEABLE WITH THE FREE ENDS OF SAID ARMATURES AND MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID CONTACT MEMBER ENGAGES EACH OF THE ARMATURES TO COMPLETE A MAGNETIC CIRCUIT DEFINED BY SAID PERMANENT MAGNET, ARMATURES AND CONTACT MEMBER, AND A SECOND POSITION WHEREIN SAID CONTACT MEMBER IS IN NON-CONTACTING RELATIONSHIP WITH AT LEAST ONE OF SAID ARMATURES THEREBY BREAKING SAID MAGNETIC CIRCUIT, A PIVOTED LEVER MOUNTED TO ONE OF SAID ARMATURES TO A REMOTE END OF WHICH SAID CONTACT MEMBER IS SECURED, A SPRING SECURED TO THE PIVOTED LEVER TO URGE THE CONTACT MEMBER TOWARDS SAID SECOND POSITION, AN ACTUATING MEMBER TO MOVE SAID SPRING AND URGE SAID CONTACT MEMBER IN SAID SECOND POSITION, AN ELETRICAL COIL WRAPPED AROUND A PART OF ONE OF SAID ARMATURES AND
Claim 2
Dependent Claim
157 words
A MAGNETIC MAKE-AND-BREAK IGNITER, COMPRISING; A HOUSING FOR SAID IGNITER, A PERMANENT MAGNET, AN ARMATURE EXTENDING FROM EACH END OF SAID MAGNET INTO CLOSELY ADJACENT SPACED DISPOSITION, A CONTACT MEMBER ENGAGEABLE WITH THE FREE ENDS OF SAID ARMATURES AND MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID CONTACT MEMBER ENGAGES EACH OF THE ARMATURES TO COMPLETE A MAGNETIC CIRCUIT DEFINED BY SAID PERMANENT MAGNET, ARMATURES AND CONTACT MEMBER, AND A SECOND POSITION WHEREIN SAID CONTACT MEMBER IS IN NON-CONTACTING RELATIONSHIP WITH AT LEAST ONE OF SAID ARMATURES THEREBY BREAKING SAID MAGNETIC CIRCUIT, A PIVOTED LEVER MOUNTED TO ONE OF SAID ARMATURES TO A REMOTE END OF WHICH SAID CONTACT MEMBER IS SECURED, A SPRING SECURED TO THE PIVOTED LEVER TO URGE THE CONTACT MEMBER TOWARDS SAID SECOND POSITION, AN ACTUATING MEMBER TO MOVE SAID SPRING AND URGE SAID CONTACT MEMBER IN SAID SECOND POSITION, AN ELETRICAL COIL WRAPPED AROUND A PART OF ONE OF SAID ARMATURES AND
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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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |