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
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 |