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US3696820A Expired / Lapsed US ⏱️ 0.0 years remaining

New hair-curling device

Assignee: Individual
•
Filing: 1971-02-19
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Granted: 1972-10-10
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Expires: 1991-02-19
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Abstract

Abstract A hair curling device, which consists of a tubular body with a cylinder hollow head mounted rotatably in one end of the body. A cap rotatably mounted in the opposite end of the tubular body. A central rod, which extends axially within the tubular body and has one end rotatably and slidably mounted within the hollow head and another end rotatably and slidably mounted within the cap. A sprocket wheel is mounted upon one end of the central rod and located within the hollow head. A pawl is carried by the hollow head and is adapted to engage the sprocket wheel. A substantially U-shaped rigid member having a central portion extending outside of the tubular body parallel to the central rod is also provided. A U-shaped elastic lamellar clip having a portion removably clamped to the tubular body and another portion extending elastically and longitudinally along an outer surface of the tubular body is also included to hold the hair in place. The parts are interconnected with one another in operative relationship to curl hair.

Inventors

  • 👤 Eusebio Rodriquez Lara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:01
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/32

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 285 words
A hair-curling device, comprising in combination, a tubular body, a cylindrical hollow head rotatably mounted in one end of said tubular body, a cap rotatably mounted in the opposite end of said tubular body and having an inner edge with uniformly spaced notches, a central rod extending axiallY within said tubular body and having an end rotatably and slidably mounted in said hollow head and another end rotatably and slidably mounted in said cap and extending beyond said cap outside of said tubular body, a sprocket wheel mounted upon said one end of the central rod and located within said hollow head, a pawl carried by said hollow head and adapted to engage said sprocket wheel, a projection carried by said central rod and adapted to engage any one of said notches, means engaging said rod and resiliently pressing it in the direction toward said cap, a knob carried by said other end of the central rod and located outside of said tubular body, whereby said knob may be actuated to move said central rod from an operative position in which said pawl engages said sprocket wheel and said projection engages a notch into an inoperative position, a substantially U-shaped rigid member having a central portion extending outside of said tubular body parallel to said central rod, an end portion rigidly connected to an outer surface of said hollow head and another end portion enclosing with play a part of the central rod located outside of said tubular body between said cap and said knob, and a U-shaped elastic lamellar clip having a portion removably clamped to said tubular body and another portion extending elastically and longitudinally along an outer surface of said tubular body.
Claim 2
Dependent Claim 285 words
A hair-curling device, comprising in combination, a tubular body, a cylindrical hollow head rotatably mounted in one end of said tubular body, a cap rotatably mounted in the opposite end of said tubular body and having an inner edge with uniformly spaced notches, a central rod extending axiallY within said tubular body and having an end rotatably and slidably mounted in said hollow head and another end rotatably and slidably mounted in said cap and extending beyond said cap outside of said tubular body, a sprocket wheel mounted upon said one end of the central rod and located within said hollow head, a pawl carried by said hollow head and adapted to engage said sprocket wheel, a projection carried by said central rod and adapted to engage any one of said notches, means engaging said rod and resiliently pressing it in the direction toward said cap, a knob carried by said other end of the central rod and located outside of said tubular body, whereby said knob may be actuated to move said central rod from an operative position in which said pawl engages said sprocket wheel and said projection engages a notch into an inoperative position, a substantially U-shaped rigid member having a central portion extending outside of said tubular body parallel to said central rod, an end portion rigidly connected to an outer surface of said hollow head and another end portion enclosing with play a part of the central rod located outside of said tubular body between said cap and said knob, and a U-shaped elastic lamellar clip having a portion removably clamped to said tubular body and another portion extending elastically and longitudinally along an outer surface of said tubular body.
Claim 3
Dependent Claim 41 words
A hair-curling device in accordance with claim 1, wherein said means comprise a stop carried by said central rod and a coiled spring enclosing said central rod and having one end engaging said stop and another end engaging said hollow head.

References Cited (Backward Citations)

US2763270A Cited
US3241561A Cited
US3495602A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-10-10 1976-04-10 1976-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-10 1980-04-10 1980-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-10 1984-04-10 1984-10-10 $7700.00 Window Closed / Lapsed

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