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US3775724A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit protector

Assignee: Motors Liquidation Co
•
Filing: 1973-03-05
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Granted: 1973-11-27
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Expires: 1993-03-05
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Abstract

Abstract In a preferred form, this disclosure relates to an electric circuit protector comprising a generally planar body member made of an electrically insulating material and having a main body portion with a transverse opening therethrough and an integral handle portion at one side thereof, a pair of spaced terminals carried by the body portion, a metal fuse element having its opposite ends secured to the terminals, a generally rectangularly shaped hollow cover open at its opposite ends and which is slidably received over the body member to provide a covering for the opening and the fuse element, and cooperable detent means on the handle portion and the cover to detent and hold the cover in place on the body member.

Inventors

  • 👤 M Mamrick
  • 👤 E Bungo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:06
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/0411; H01H85/0415; H01H85/0417; H01H11/00; H01H11/0056

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 175 words
An electric circuit protector comprising: a generally planar body member made of an electrically insulating material, said body member having a main body portion having a transverse through opening and an integral outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, a pair of spaced terminals carried by said body portion, one end of each of said terminals projecting outwardly of said body portion and the other end of said terminals being disposed within said transverse through opening, a metal fuse element having its opposite ends secured to said other ends of said terminals, a hollow cover open at its opposite ends and shaped complementary with the main body portion of the body member, said cover being slidably receivable over said body member to provide a covering for said opening and fuse element, and cooperable snap-fitting detent means on one of said handle and body portions and said cover to detent and hold said cover in place on said body member when positioned thereover.
Claim 2
Dependent Claim 175 words
An electric circuit protector comprising: a generally planar body member made of an electrically insulating material, said body member having a main body portion having a transverse through opening and an integral outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, a pair of spaced terminals carried by said body portion, one end of each of said terminals projecting outwardly of said body portion and the other end of said terminals being disposed within said transverse through opening, a metal fuse element having its opposite ends secured to said other ends of said terminals, a hollow cover open at its opposite ends and shaped complementary with the main body portion of the body member, said cover being slidably receivable over said body member to provide a covering for said opening and fuse element, and cooperable snap-fitting detent means on one of said handle and body portions and said cover to detent and hold said cover in place on said body member when positioned thereover.
Claim 3
Dependent Claim 171 words
An electric circuit protector comprising: a generally planar body member made of an electrically insulating material, said body member having a main body portion having a transverse through opening and an integral outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, a pair of spaced terminals carried by said body portion, one end of each of said terminals projecting outwardly of said body portion and the other end of said terminals being disposed within said transverse through opening, a metal fuse element having its opposite ends secured to said other ends of said terminals, a hollow cover open at its opposite ends and shaped complementary with the main body portion of the body member, said cover being slidably receivable over said body member to provide a covering for said opening and fuse element, and cooperable snap-fitting detent means on said handle portion and said cover to detent and hold said cover in place on said body member when positioned thereover.
Claim 4
Dependent Claim 171 words
An electric circuit protector comprising: a generally planar body member made of an electrically insulating material, said body member having a main body portion having a transverse through opening and an integral outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, a pair of spaced terminals carried by said body portion, one end of each of said terminals projecting outwardly of said body portion and the other end of said terminals being disposed within said transverse through opening, a metal fuse element having its opposite ends secured to said other ends of said terminals, a hollow cover open at its opposite ends and shaped complementary with the main body portion of the body member, said cover being slidably receivable over said body member to provide a covering for said opening and fuse element, and cooperable snap-fitting detent means on said handle portion and said cover to detent and hold said cover in place on said body member when positioned thereover.
Claim 5
Dependent Claim 277 words
An electric circuit protector comprising: a generally rectangularly shaped, planar body member made of an electrically insulating material, said body member having a main body portion with a transverse opening therethrough and an integral, outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, said one side being arcuate and defining with said handle portion a generally oval-shaped opening, a pair of terminals embedded within said main body portion at its side remote from the handle portion and generally extending parallel to the plane of the body member, said terminals including a planar forward portion projecting outwardly of said remote side and a planar rearward portion having upturned ends disposed within said transverse opening, a fuse element having first and second end portions and an intermediate portion of a narrower width than the end portions, said end portions having a through opening shaped complementary to the ends of the rearward portion of said terminals, said end portions being slidably received on said ends of said rearward portion of said terminals and being soldered thereto, a hollow cover open at its opposite ends and shaped complementary with the main body portion of said body member, said cover being slidably received over said body portion to provide a cover for said transverse opening and fuse element, and cooperable detent means comprising a pair of oppositely facing recesses in said handle portion adjacent its junctures with said one side of said body portion and a pair of inwardly extending flanges on said cover which are snap-fittingly receivable within said recesses to detent said cover in place on said body member.
Claim 6
Dependent Claim 277 words
An electric circuit protector comprising: a generally rectangularly shaped, planar body member made of an electrically insulating material, said body member having a main body portion with a transverse opening therethrough and an integral, outwardly extending handle portion at one side of the body portion and lying in the plane of the body portion, said one side being arcuate and defining with said handle portion a generally oval-shaped opening, a pair of terminals embedded within said main body portion at its side remote from the handle portion and generally extending parallel to the plane of the body member, said terminals including a planar forward portion projecting outwardly of said remote side and a planar rearward portion having upturned ends disposed within said transverse opening, a fuse element having first and second end portions and an intermediate portion of a narrower width than the end portions, said end portions having a through opening shaped complementary to the ends of the rearward portion of said terminals, said end portions being slidably received on said ends of said rearward portion of said terminals and being soldered thereto, a hollow cover open at its opposite ends and shaped complementary with the main body portion of said body member, said cover being slidably received over said body portion to provide a cover for said transverse opening and fuse element, and cooperable detent means comprising a pair of oppositely facing recesses in said handle portion adjacent its junctures with said one side of said body portion and a pair of inwardly extending flanges on said cover which are snap-fittingly receivable within said recesses to detent said cover in place on said body member.

References Cited (Backward Citations)

GB190021642A Cited
GB159524A Cited
FR637897A Cited
US2830156A Cited
US2941059A Cited
DE1813430A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-11-26 1977-05-28 1977-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-11-26 1981-05-28 1981-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-11-26 1985-05-28 1985-11-27 $7700.00 Window Closed / Lapsed

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