US3250955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically operated switch for ignition system
Assignee: Individual
•
Filing: 1961-11-20
•
Granted: 1966-05-10
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Paul D Krikac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:14
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0006; H01H36/0053; F; F02; F02P; F02P7/00; F02P7/06; F02P7/067; F02P7/0677; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; H01H37/00; H01H37/02; H01H37/64; H01H37/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN COMBINATION A SWITCH COMPRISING A FIRST AND SECOND CONTACT MEMBERS CONTAINING PARAMAGENETIC MATERIAL SAID CONTACT MEMBERS BEING OF ELONGATED STRIP DESIGN, EACH OF SAID CONTACT MEMBERS HAVING A FIRST FREE END AND A SECOND FIXED END, SAID FRIST ENDS OF SAID CONTACT MEMBERS BEING NORMALLY IN OVERLAPPING SPACED-APART RELATIONSHIP, AND SAID SECOND END OF EACH OF SAID CONTACT MEMBERS BEING FIXEDLY MOUUNTED, AN ELECTROMAGNET POSITIONED ADJACENT ONE OF SAID CONTACT MEMBERS OF A FIRST ONE OF SAID SWITCHES, A MEANS FOR INTERMITTENTLY ACTUATING SAID ELECTROMAGNET, A LOAD COMPRISING A VOLTAGE MUULTIPLYING MEANS AND A SOURCE OF POTENTIAL, SAID LOAD AND SAID SOURCE OF POTENTIAL BEING CONNECTED IN SERIES WITH SAID LECTRICAL CONTACT MEMBERS, A SECOND ONE OF SAID SWITCHES, A USE MEANS CONNECTED IN SERIES WITH SAID VOLTAGE MULTIPLYING MEANS THROUGH SAID SECOND ONE OF SAID SWITCHES, AND A ROTATING MAGNET FOR INTERMITTENTLY MAKING AND BRAKING ELECTRICAL CONTACT BETWEEN THE FREE ENDS OF SAID SECOND ONE OF SAID SWITCHES, SAID SECOND SWITCH BEING CLOSED PRIOR TO SAID FIRST SWITCH AND REMAINING CLOSED UNTIL AFTER THE OPENING OF SAID FIRST SWITCH.
Claim 2
Dependent Claim
181 words
IN COMBINATION A SWITCH COMPRISING A FIRST AND SECOND CONTACT MEMBERS CONTAINING PARAMAGENETIC MATERIAL SAID CONTACT MEMBERS BEING OF ELONGATED STRIP DESIGN, EACH OF SAID CONTACT MEMBERS HAVING A FIRST FREE END AND A SECOND FIXED END, SAID FRIST ENDS OF SAID CONTACT MEMBERS BEING NORMALLY IN OVERLAPPING SPACED-APART RELATIONSHIP, AND SAID SECOND END OF EACH OF SAID CONTACT MEMBERS BEING FIXEDLY MOUUNTED, AN ELECTROMAGNET POSITIONED ADJACENT ONE OF SAID CONTACT MEMBERS OF A FIRST ONE OF SAID SWITCHES, A MEANS FOR INTERMITTENTLY ACTUATING SAID ELECTROMAGNET, A LOAD COMPRISING A VOLTAGE MUULTIPLYING MEANS AND A SOURCE OF POTENTIAL, SAID LOAD AND SAID SOURCE OF POTENTIAL BEING CONNECTED IN SERIES WITH SAID LECTRICAL CONTACT MEMBERS, A SECOND ONE OF SAID SWITCHES, A USE MEANS CONNECTED IN SERIES WITH SAID VOLTAGE MULTIPLYING MEANS THROUGH SAID SECOND ONE OF SAID SWITCHES, AND A ROTATING MAGNET FOR INTERMITTENTLY MAKING AND BRAKING ELECTRICAL CONTACT BETWEEN THE FREE ENDS OF SAID SECOND ONE OF SAID SWITCHES, SAID SECOND SWITCH BEING CLOSED PRIOR TO SAID FIRST SWITCH AND REMAINING CLOSED UNTIL AFTER THE OPENING OF SAID FIRST SWITCH.
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |