Patent US3223794A successfully refreshed from Google Patents.
US3223794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple position electrical switch with contact rails and dummy contact pressure stabilizers
Assignee: Indak Manufacturing Corp
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Filing: 1963-11-13
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Granted: 1965-12-14
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Leland C Hoy
- 👤 Hazek Borys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN AN ELECTRIC SWITCH, THE COMBINATION COMPRISING A HOUSING HAVING A FIXED INSULATING WALL MEMBER, A TRACK COMPRISING FIRST AND SECOND FIXED ELONGATED SUBTANTIALLY PARALLEL CONDUCTIVE RAILS MOUNTED ON SAID INSULATING WALL MEMBER WITHIN SAID HOUSING, AT LEAST ONE OF SAID RAILS BEING SEGMENTED INTO A PLURALITY OF COMPONENTS, A CONDUCTIVE CONTACTOR MOVABLE WITHIN SAID HOUSING AND HAVING A FIRST CONTACT MEMBER RIDING IN SAID TRACK BETWEEN SAID RAILS AND SLIDABLY ENGAGED WITH SAID RAILS TO ESTABLISH A CLOSED CIRCUIT THEREBETWEEN, ACTUATING MEANS FOR MOVING SAID CONTACTOR ALONG SAID TRACK AND WITHIN SAID HOUSING, AT LEAST TWO FIXED CONDUCTIVE CONTACTS MOUNTED ON SAID INSULATING WALL MEMBER WITHIN SAID HOUSING, SAID CONTACTS BEING ON OPPOSITE SIDES OF SAID TRACK AND SPACED LATERALLY FORM SAID RAILS, AND SECOND AND THIRD CONTACT MEMBERS ON SAID CONTACTOR AND DISPOSED ON OPPOSITE SIDES OF SAID TRACK FOR ENGAGEMENT WITH SAID RESPECTIVE CONTACTS, SAID CONTACTOR HAVING SPRING MEANS BIASING SAID CONTACTOR TOWARD SAID INSULATING WALL MEMBER AND AGAINST SAID RAILS AND SAID CONTACTS, SAID FIRST, SECOND AND THIRD CONTACT MEMBERS OF SAID CONTACTOR BEING DISPOSED IN A TRIANGULAR PATTERN TO EQUALIZE THE SPRING PRESSURE AMONG SAID FIRST, SECOND AND THIRD CONTACT MEMBERS.
Claim 2
Dependent Claim
196 words
IN AN ELECTRIC SWITCH, THE COMBINATION COMPRISING A HOUSING HAVING A FIXED INSULATING WALL MEMBER, A TRACK COMPRISING FIRST AND SECOND FIXED ELONGATED SUBTANTIALLY PARALLEL CONDUCTIVE RAILS MOUNTED ON SAID INSULATING WALL MEMBER WITHIN SAID HOUSING, AT LEAST ONE OF SAID RAILS BEING SEGMENTED INTO A PLURALITY OF COMPONENTS, A CONDUCTIVE CONTACTOR MOVABLE WITHIN SAID HOUSING AND HAVING A FIRST CONTACT MEMBER RIDING IN SAID TRACK BETWEEN SAID RAILS AND SLIDABLY ENGAGED WITH SAID RAILS TO ESTABLISH A CLOSED CIRCUIT THEREBETWEEN, ACTUATING MEANS FOR MOVING SAID CONTACTOR ALONG SAID TRACK AND WITHIN SAID HOUSING, AT LEAST TWO FIXED CONDUCTIVE CONTACTS MOUNTED ON SAID INSULATING WALL MEMBER WITHIN SAID HOUSING, SAID CONTACTS BEING ON OPPOSITE SIDES OF SAID TRACK AND SPACED LATERALLY FORM SAID RAILS, AND SECOND AND THIRD CONTACT MEMBERS ON SAID CONTACTOR AND DISPOSED ON OPPOSITE SIDES OF SAID TRACK FOR ENGAGEMENT WITH SAID RESPECTIVE CONTACTS, SAID CONTACTOR HAVING SPRING MEANS BIASING SAID CONTACTOR TOWARD SAID INSULATING WALL MEMBER AND AGAINST SAID RAILS AND SAID CONTACTS, SAID FIRST, SECOND AND THIRD CONTACT MEMBERS OF SAID CONTACTOR BEING DISPOSED IN A TRIANGULAR PATTERN TO EQUALIZE THE SPRING PRESSURE AMONG SAID FIRST, SECOND AND THIRD CONTACT MEMBERS.
References Cited (Backward Citations)
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US3030459A
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |