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US3165609A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature compensated circuit breakers

Assignee: Federal Pacific Electric Co
•
Filing: 1955-08-04
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Granted: 1965-01-12
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Expires: 1975-08-04
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Abstract

No abstract record available.

Inventors

  • 👤 Alexander R Norden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:42
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 119 words
A CIRCUIT BREAKER INCLUDING FIXED CONTACT AND A MOVABLE CONTACT, ACTUATING MEANS FOR THE MOVABLE CONTACT INCLUDING A SPRING AND A RELEASABLE MEMBER FOR OPENING SAID CONTACTS AND A TRIP MECHANISM NORMALLY PREVENTING SUCH CONTACT OPENING, SAID TRIP MECHANISM INCLUDING A CURRENT-RESPONSIVE BIMETAL AND AN AMBIENT TEMPERATURE COMPENSATING BIMETAL HAVING A ONE-WAY DRIVING MECHANICAL CONNECTION THEREBETWEEN, ONE OF SAID BIMETALS CONSTITUTING A LATCH FOR SAID RELEASABLE MEMBER, THE OTHER OF SAID BIMETALS HAVING A FIXED SUPPORT, AND AN ELECTROMAGNET AND ARMATURE BOTH MOUNTED FOR MOVEMENT TOGETHER WITH THE THERMALLY MOVED END OF ONE OF SAID BIMETALS AND INTERPOSED TO ACT BETWEEN SAID BIMETALS, SAID MECHANICAL CONNECTION INCLUDING MEANS TO FIX THE MAXIMUM SPACING BETWEEN SAID ARMATURE AND SAID ELECTROMAGNET.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-01-12 1968-07-13 1969-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-01-12 1972-07-13 1973-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-01-12 1976-07-13 1977-01-12 $7700.00 Window Closed / Lapsed

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