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US3330918A Expired / Lapsed US ⏱️ 0.0 years remaining

Timer having a multi-sided or drum-shaped housing

Assignee: Duracell Inc USA
•
Filing: 1965-09-10
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Granted: 1967-07-11
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Expires: 1985-09-10
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace L Linn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:31
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/02; H01H43/024

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 205 words
IN A TIMER OF THE TYPE HAVING A PLURALITY OF CAMS MOUNTED ON A ROTATING SHAFT, WHEREIN THE IMPROVEMENT COMPRISES AN INSULATED SUBSTANTIALLY CYLINDRICALLY SHAPED HOUSING THEREFOR, A PLURALITY OF CIRCUMFERENTIALLY SPACED CUT-OUTS DISPOSED ABOUT SAID HOUSING IN A HELICAL PATH, EACH OF SAID CUT-OUTS CONTAINING A SWITCH DISPOSED THEREWITHIN, EACH OF SAID SWITCHES HAVING FIRST AND SECOND MOVABLE CONTACT MEMBERS AND A STATIONARY CONTACT MEMBER, SAID FIRST AND SECOND MOVABLE CONTACT MEMBERS BEING CURVED SO AS TO PROVIDE A SPRING FORCE WHICH IS APPLIED IN A DIRECTION TOWARD SAID ROTATING SHAFT, SAID FIRST MOVABLE CONTACT MEMBER BEING RESTRAINED FROM MOVEMENT TOWARD SAID SHAFT BY AN ELEVATION WHICH IS FORMED WITHIN SAID CUT-OUTS, SAID SECOND MOVABLE CONTACT MEMBER ADAPTED TO BE MOVED BY ONE OF SAID CAMS THROUGH A CAM FOLLOWER SO AS TO MAKE ELECTRICAL CONTACT WITH SAID FIRST MOVABLE CONTACT MEMBER AND SAID STATIONARY CONTACT MEMBER, THEREBY ESTABLISHING A CIRCUIT CONDITION FOR CONTROLLING ELEMENTS OF AN APPLIANCE, A PLURALITY OF TERMINALS AFFIXED TO SAID HOUSING SO AS TO MAKE ELECTRICAL CONTACT WITH CONTACT MEMBERS OF SAID SWITCHES, A DRIVING MEANS FOR ROTATING SAID SHAFT, AND AN END PLATE IN EACH END OF SAID HOUSING FOR SUPPORTING SAID ROTATING SHAFT AND SAID DRIVING MEANS.
Claim 2
Dependent Claim 205 words
IN A TIMER OF THE TYPE HAVING A PLURALITY OF CAMS MOUNTED ON A ROTATING SHAFT, WHEREIN THE IMPROVEMENT COMPRISES AN INSULATED SUBSTANTIALLY CYLINDRICALLY SHAPED HOUSING THEREFOR, A PLURALITY OF CIRCUMFERENTIALLY SPACED CUT-OUTS DISPOSED ABOUT SAID HOUSING IN A HELICAL PATH, EACH OF SAID CUT-OUTS CONTAINING A SWITCH DISPOSED THEREWITHIN, EACH OF SAID SWITCHES HAVING FIRST AND SECOND MOVABLE CONTACT MEMBERS AND A STATIONARY CONTACT MEMBER, SAID FIRST AND SECOND MOVABLE CONTACT MEMBERS BEING CURVED SO AS TO PROVIDE A SPRING FORCE WHICH IS APPLIED IN A DIRECTION TOWARD SAID ROTATING SHAFT, SAID FIRST MOVABLE CONTACT MEMBER BEING RESTRAINED FROM MOVEMENT TOWARD SAID SHAFT BY AN ELEVATION WHICH IS FORMED WITHIN SAID CUT-OUTS, SAID SECOND MOVABLE CONTACT MEMBER ADAPTED TO BE MOVED BY ONE OF SAID CAMS THROUGH A CAM FOLLOWER SO AS TO MAKE ELECTRICAL CONTACT WITH SAID FIRST MOVABLE CONTACT MEMBER AND SAID STATIONARY CONTACT MEMBER, THEREBY ESTABLISHING A CIRCUIT CONDITION FOR CONTROLLING ELEMENTS OF AN APPLIANCE, A PLURALITY OF TERMINALS AFFIXED TO SAID HOUSING SO AS TO MAKE ELECTRICAL CONTACT WITH CONTACT MEMBERS OF SAID SWITCHES, A DRIVING MEANS FOR ROTATING SAID SHAFT, AND AN END PLATE IN EACH END OF SAID HOUSING FOR SUPPORTING SAID ROTATING SHAFT AND SAID DRIVING MEANS.

References Cited (Backward Citations)

US2835724A Cited
US3149209A Cited
US3142730A Cited
FR1293848A Cited
US3239614A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-10 1971-01-09 1971-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-10 1975-01-09 1975-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-10 1979-01-09 1979-07-11 $7700.00 Window Closed / Lapsed

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