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US3305650A Expired / Lapsed US ⏱️ 0.0 years remaining

Manually operable switches such as alternating current switches suitable for domestic installations

Assignee: Smith and Stone Ltd
•
Filing: 1965-02-15
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Granted: 1967-02-21
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Expires: 1985-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Duffield Joseph Frederick
  • 👤 Zdzislaw R Godziemba-Dambski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:32
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/28; H01H23/02; H01H23/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
AN ELECTRICAL SWITCH COMPRISING: A FIXED CONTACT, A MOVABLE CONTACT RESILIENTLY URGED NORMALLY INTO ELECTRICAL CONTACT WITH SAID FIXED CONTACT AND SECURED TO A MEMBER HAVING A BEND THEREIN FORMING A LOBE, ACTUATING MEANS MOVABLE BETWEEN A FIRST DISCRETE POSITION AND COOPERATING WITH SAID LOBE TO SEPARATE SAID FIXED CONTACT AND SAID MOVABLE CONTACT AND A SECOND DISCRETE POSITION AND COOPERATING WITH SAID LOBE TO BRING SAID FIXED CONTACT AND SAID MOVABLE CONTACT INTO ELECTRICAL ENGAGEMENT, A ROCKER MEMBER HAVING TRUNNIONS THEREON, SAID ACTUATOR BEING INTEGRAL WITH SAID ROCKER, A BASE INCLUDING BEARING MEANS FOR RECEIVING SAID TRUNNIONS, SAID BEARING MEANS BEING RECESSES AND FURTHER INCLUDING RETAINING MEANS OVER SAID RECESSES FOR RETAINING SAID TRUNNIONS THEREIN, AT LEAST ONE OF SAID RECESSES INCLUDING A PAIR OF SPACED APART SLOTS, AND SAID RETAINING MEANS BEING RESILIENT, AND A RIDGE ON AT LEAST ONE OF SAID TRUNNIONS FOR SELECTIVE ENGAGEMENT WITH SAID SLOTS ACCORDING TO THE POSITION OF SAID ROCKER.
Claim 2
Dependent Claim 158 words
AN ELECTRICAL SWITCH COMPRISING: A FIXED CONTACT, A MOVABLE CONTACT RESILIENTLY URGED NORMALLY INTO ELECTRICAL CONTACT WITH SAID FIXED CONTACT AND SECURED TO A MEMBER HAVING A BEND THEREIN FORMING A LOBE, ACTUATING MEANS MOVABLE BETWEEN A FIRST DISCRETE POSITION AND COOPERATING WITH SAID LOBE TO SEPARATE SAID FIXED CONTACT AND SAID MOVABLE CONTACT AND A SECOND DISCRETE POSITION AND COOPERATING WITH SAID LOBE TO BRING SAID FIXED CONTACT AND SAID MOVABLE CONTACT INTO ELECTRICAL ENGAGEMENT, A ROCKER MEMBER HAVING TRUNNIONS THEREON, SAID ACTUATOR BEING INTEGRAL WITH SAID ROCKER, A BASE INCLUDING BEARING MEANS FOR RECEIVING SAID TRUNNIONS, SAID BEARING MEANS BEING RECESSES AND FURTHER INCLUDING RETAINING MEANS OVER SAID RECESSES FOR RETAINING SAID TRUNNIONS THEREIN, AT LEAST ONE OF SAID RECESSES INCLUDING A PAIR OF SPACED APART SLOTS, AND SAID RETAINING MEANS BEING RESILIENT, AND A RIDGE ON AT LEAST ONE OF SAID TRUNNIONS FOR SELECTIVE ENGAGEMENT WITH SAID SLOTS ACCORDING TO THE POSITION OF SAID ROCKER.

References Cited (Backward Citations)

US2880291A Cited
US2926225A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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