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US3248511A Expired / Lapsed US ⏱️ 0.0 years remaining

Terminals and improved handle for circuit breakers

Assignee: Heinemann Electric Co
•
Filing: 1965-10-21
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Granted: 1966-04-26
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Expires: 1985-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond B Heilman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:15
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/08; H01H9/00; H01H9/30; H01H9/44; H01H9/446; H01H21/00; H01H21/02; H01H21/04; H01H21/08; H01H21/085

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 184 words
A TERMINAL STRUCTURE FOR A CIRCUIT BREAKER HAVING AN OVERLOAD SENSING DEVICED AND A METAL CASE COMPRISING AN INSULATOR SECURED TO THE CASE OF THE CIRCUIT BREAKER, A CYLINDRICAL SHUNT CONDUCTOR SLEEVE SECURED TO AND EXTENDING THROUGH SAID INSULATOR, INTO SAID CASE AND BEING ELECTRICALLY CONNECTED INSIDE SAID CASE TO SAID OVERLOAD SENSING DEVICE AND A CYLINDRICAL STUD SECURED TO SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDIRCAL STUD HAVING MEANS TO RECEIVE AND SECURELY HOLD AN EXTERNAL CONDUCTOR IN ELECTRICAL CONDUCTING RELATIONSHIP WITH SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE BEING FORMED FOM A MATERIAL OF HIGH ELECTRICAL CONDUCTIVITY RELATIVE TO SAID CYLINDRICAL STUD, SAID CYLINDRICAL STUD BEING FORMED FROM A MATERIAL OF HIGH MECHANICAL STRENGTH RELATIVE TO SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE HAVING AN END PORTION WITHIN SAID CASE AND AN OPPOSITE END PORTION OUTSIDE OF SAID CASE WITH WHICH SAID EXTERNAL CONDUCTOR IS CONNECTABLE IN ELECTRICAL CONDUCTING RELATIONSHIP, THE END PORTION OUTSIDE OF SAID CASE RECEIVING PART OF SAID CYLINDRICAL STUD, SAID CLYINDRICAL SHUNT CONDUCTOR SLEEVE BEING MECHANICALLY AND ELECTRICALLY SECURED TO SAID STUD.

References Cited (Backward Citations)

US2162477A Cited
US2341920A Cited
US2450780A Cited
US3014106A Cited
US3021408A Cited
US3015010A Cited
US3187299A Cited
US3206562A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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