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US3267240A Expired / Lapsed US ⏱️ 0.0 years remaining

Protectors for electric circuits

Assignee: McGraw Edison Co
•
Filing: 1963-07-22
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Granted: 1966-08-16
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Expires: 1983-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas E L Fitzgerald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:14
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0458

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 157 words
AN ELECTRIC FUSE WHICH COMPRISES: (A) TERMINALS THAT ARE CONNECTABLE INTO AN ELECTRIC CIRCUIT, (B) A FUSIBLE ELEMENT ELECTRICALLY CONNECTED TO SAID TERMINALS TO CONDUCT CURRENT BETWEEN SAID TERMINALS, (C) SAID FUSIBLE ELEMENT RESPONDING TO OVERLOADS OF PREDETERMINED MAGNITUDE AND DURATION TO FUSE, (D) A MASSIVE SUPPORT OF DIELECTRIC MATERIAL THAT SUPPORTS SAID FUSIBLE ELEMENT AND THAT ABSORBS HEAT FROM SAID FUSIBLE ELEMENT, (E) CONNECTORS CONNECTING SAID FUSIBLE ELEMENT TO SAID TERMINALS, (F) SAID CONNECTORS BEING GENERALLY J-SHAPED, (G) SAID SUPPORT HAVING A GROOVE THEREIN TO ACCOMMODATE THE LONG ARM OF ONE OF SAID CONNECTORS AND TO ACCOMMODATE THE SHORT ARM OF A SECOND OF SAID CONNECTORS, (H) SAID SUPPORT HAVING A SECOND GROOVE THEREIN TO ACCOMMODATE THE LONG ARM OF SAID SECOND CONNECTOR AND TO ACCOMMODATE THE SHORT ARM OF SAID ONE CONNECTOR, (I) SAID SUPPORT HAVING A THIRD GROOVE INTERMEDIATE THE FIRST SAID AND SAID SECOND GROOVES, (J) SAID FUSIBLE ELEMENT SPANNING SAID THIRD GROOVE.
Claim 2
Dependent Claim 157 words
AN ELECTRIC FUSE WHICH COMPRISES: (A) TERMINALS THAT ARE CONNECTABLE INTO AN ELECTRIC CIRCUIT, (B) A FUSIBLE ELEMENT ELECTRICALLY CONNECTED TO SAID TERMINALS TO CONDUCT CURRENT BETWEEN SAID TERMINALS, (C) SAID FUSIBLE ELEMENT RESPONDING TO OVERLOADS OF PREDETERMINED MAGNITUDE AND DURATION TO FUSE, (D) A MASSIVE SUPPORT OF DIELECTRIC MATERIAL THAT SUPPORTS SAID FUSIBLE ELEMENT AND THAT ABSORBS HEAT FROM SAID FUSIBLE ELEMENT, (E) CONNECTORS CONNECTING SAID FUSIBLE ELEMENT TO SAID TERMINALS, (F) SAID CONNECTORS BEING GENERALLY J-SHAPED, (G) SAID SUPPORT HAVING A GROOVE THEREIN TO ACCOMMODATE THE LONG ARM OF ONE OF SAID CONNECTORS AND TO ACCOMMODATE THE SHORT ARM OF A SECOND OF SAID CONNECTORS, (H) SAID SUPPORT HAVING A SECOND GROOVE THEREIN TO ACCOMMODATE THE LONG ARM OF SAID SECOND CONNECTOR AND TO ACCOMMODATE THE SHORT ARM OF SAID ONE CONNECTOR, (I) SAID SUPPORT HAVING A THIRD GROOVE INTERMEDIATE THE FIRST SAID AND SAID SECOND GROOVES, (J) SAID FUSIBLE ELEMENT SPANNING SAID THIRD GROOVE.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-15 1970-02-14 1970-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-15 1974-02-14 1974-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-15 1978-02-14 1978-08-16 $7700.00 Window Closed / Lapsed

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