US3271537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequential timer
Assignee: Duracell Inc USA
•
Filing: 1964-12-03
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Granted: 1966-09-06
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Harold T Simmons
- 👤 George A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TIME CONTROLLED SWITCHING MECHANISM COMPRISING: MOUNTING MEANS, AN AXIALLY DISPLACEABLE CAM CARRYING SHAFT ROTATABLY JOURNALLED IN SAID MOUNTING MEANS; FIXED INDICIA MEANS CARRIED BY SAID SHAFT; A PLURALITY OF CONTACT CARRYING BLADES CARRIED BY SAID MOUNTING MEANS; FIXED CONTACTS SPACED FROM SAID CONTACTS OF SAID BLADES AND CONNECTED TO SAID MOUNTING MEANS; AND DISPLACEABLE ACTUATOR MEANS CARRIED BY SAID MOUNTING MEANS AND HAVING DISCRETE STEPS AND ENGAGING SAID CODED INDICIA OF SAID CODED INDICIA MEANS, ONE OF SAID STEPS ENGAGING WITH SAID BLADES SO AS TO BIAS SAID BLADES IN ENGAGEMENT WITH SAID FIXED CONTACTS AS SAID SHAFT IS AXIALLY DISPLACED, ROTATIONAL DISPLACEMENT OF SAID CODED INDICIA MEANS CAUSES SAID ACTUATOR MEANS TO BE DISPLACED FROM AN ENGAGED POSITION WITH SAID BLADES SO THAT SAID BLADES DISENGAGE WITH SAID FIXED CONTACTS.
Claim 2
Dependent Claim
132 words
A TIME CONTROLLED SWITCHING MECHANISM COMPRISING: MOUNTING MEANS, AN AXIALLY DISPLACEABLE CAM CARRYING SHAFT ROTATABLY JOURNALLED IN SAID MOUNTING MEANS; FIXED INDICIA MEANS CARRIED BY SAID SHAFT; A PLURALITY OF CONTACT CARRYING BLADES CARRIED BY SAID MOUNTING MEANS; FIXED CONTACTS SPACED FROM SAID CONTACTS OF SAID BLADES AND CONNECTED TO SAID MOUNTING MEANS; AND DISPLACEABLE ACTUATOR MEANS CARRIED BY SAID MOUNTING MEANS AND HAVING DISCRETE STEPS AND ENGAGING SAID CODED INDICIA OF SAID CODED INDICIA MEANS, ONE OF SAID STEPS ENGAGING WITH SAID BLADES SO AS TO BIAS SAID BLADES IN ENGAGEMENT WITH SAID FIXED CONTACTS AS SAID SHAFT IS AXIALLY DISPLACED, ROTATIONAL DISPLACEMENT OF SAID CODED INDICIA MEANS CAUSES SAID ACTUATOR MEANS TO BE DISPLACED FROM AN ENGAGED POSITION WITH SAID BLADES SO THAT SAID BLADES DISENGAGE WITH SAID FIXED CONTACTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |