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US4994061A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair grasping device

Assignee: Selvac Corp
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Filing: 1989-03-06
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Granted: 1991-02-19
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Expires: 2009-03-06
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Abstract

Abstract A hair grasping device includes a pair of hair engaging surfaces spring biased to a closed or engaged position in which a hair is grasped therebetween. The device further includes a first clamping member which is slidably disposed with respect to the housing. The first clamping member includes the first hair engaging surface. A spring disposed within the housing biases the first hair engaging surface toward the second hair engaging surface of a second clamping member. High frequency electrical energy is applied to one of the hair engaging surfaces to destroy a grasped hair in the papilla area.

Inventors

  • 👤 Bruce McPherson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:35
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B2018/00315; A61B2018/00452; A61B2018/00476

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 142 words
A hair grasping device for hair removal comprising: a housing; a first clamping member slidably disposed with respect to said housing and including a first hair engaging surface; a second clamping member including a second hair engaging surface; a biasing means for biasing the first clamping member toward the second clamping member and said first hair engaging surface into engagement with said second hair engaging surface for grasping and holding a hair therebetween; and a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an aperture thereof, said projection engaging said first clamping member for movement of said first clamping member against the bias of said biasing means such that the position of said hair engaging surfaces with respect to each other is dependent upon the position of said control cap.
Claim 2
Dependent Claim 142 words
A hair grasping device for hair removal comprising: a housing; a first clamping member slidably disposed with respect to said housing and including a first hair engaging surface; a second clamping member including a second hair engaging surface; a biasing means for biasing the first clamping member toward the second clamping member and said first hair engaging surface into engagement with said second hair engaging surface for grasping and holding a hair therebetween; and a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an aperture thereof, said projection engaging said first clamping member for movement of said first clamping member against the bias of said biasing means such that the position of said hair engaging surfaces with respect to each other is dependent upon the position of said control cap.
Claim 3
Dependent Claim 20 words
A hair grasping device as recited in claim 1 wherein said second hair engaging surface is secured to said housing.
Claim 4
Dependent Claim 25 words
The hair grasping device as recited in claim 2 wherein said biasing means is a spring interconnected between said first clamping member and said housing.
Claim 5
Dependent Claim 17 words
The hair grasping device as recited in claim 2 wherein said first clamping member is generally L-shaped.
Claim 6
Dependent Claim 23 words
The hair grasping device as recited in claim 2 wherein at least one of said hair engaging surfaces comprise an electrically conductive material.
Claim 7
Dependent Claim 31 words
The hair grasping device as recited in claim 5 and further including a high frequency energy source means for applying high frequency electrical energy to said one conductive hair engaging surface.
Claim 8
Dependent Claim 16 words
The hair grasping device as recited in claim 6 wherein said housing aperture is generally elongate.
Claim 9
Dependent Claim 218 words
A hair grasping device for grasping and holding a hair while high frequency electrical energy is applied thereto, said device comprising: a housing including an opening; a first clamping member partially and slidably disposed within said housing, said first clamping member further being disposed through said opening and including a first hair engaging surface outside of the housing; a second clamping member including a second hair engaging surface; a biasing means for biasing the first clamping member toward the second clamping member and said first hair engaging surface toward and into engagement with said second hair engaging surface for grasping and holding a hair therebetween, at least one of said hair engaging surfaces being comprised of an electrically conductive material; a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an aperture thereof, said projection being in engagement with said first clamping member for movement of said first clamping member against the bias of said biasing means such that the position of said hair engaging surfaces with respect to each other is dependent upon the position of said control cap; and a high frequency energy source electrically connected to said conductive hair engaging surface for providing high frequency electrical energy to said one conductive hair engaging surface.
Claim 10
Dependent Claim 218 words
A hair grasping device for grasping and holding a hair while high frequency electrical energy is applied thereto, said device comprising: a housing including an opening; a first clamping member partially and slidably disposed within said housing, said first clamping member further being disposed through said opening and including a first hair engaging surface outside of the housing; a second clamping member including a second hair engaging surface; a biasing means for biasing the first clamping member toward the second clamping member and said first hair engaging surface toward and into engagement with said second hair engaging surface for grasping and holding a hair therebetween, at least one of said hair engaging surfaces being comprised of an electrically conductive material; a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an aperture thereof, said projection being in engagement with said first clamping member for movement of said first clamping member against the bias of said biasing means such that the position of said hair engaging surfaces with respect to each other is dependent upon the position of said control cap; and a high frequency energy source electrically connected to said conductive hair engaging surface for providing high frequency electrical energy to said one conductive hair engaging surface.
Claim 11
Dependent Claim 25 words
The hair grasping device as recited in claim 8 wherein said second hair engaging surface is secured to said housing adjacent said first clamping member.
Claim 12
Dependent Claim 25 words
The hair grasping device as recited in claim 8 wherein said biasing means is a spring interconnected between said first clamping member and said housing.
Claim 13
Dependent Claim 16 words
The hair grasping device as recited in claim 8 wherein said housing aperture is generally elongate.
Claim 14
Dependent Claim 17 words
The hair grasping device as recited in claim 8 wherein said first clamping member is generally L-shaped.
Claim 15
Dependent Claim 202 words
A hair grasping device for grasping and holding a hair while high frequency electrical energy is applied thereto, said device comprising: a generally elongated housing having a first and a second end, said first end being open; a first generally L-shaped clamping member partially and slidably disposed within said housing, said L-shaped clamping member further being disposed through said opening and including a first hair engaging surface outside said housing; a second clamping member positioned adjacent said L-shaped clamping member and including a second hair engaging surface; a spring interconnected between said L-shaped clamping member and said housing for biasing said L-shaped clamping member toward said second end of said housing and for biasing said first hair engaging surface toward and into engagement with said second hair engaging surface; and a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an elongate aperture in said housing, said projection engaging said L-shaped member for moving the L-shaped member against the bias of the spring such that the position of said hair engaging surfaces with respect to each other is determined by the position of said control cap with respect to said housing.
Claim 16
Dependent Claim 202 words
A hair grasping device for grasping and holding a hair while high frequency electrical energy is applied thereto, said device comprising: a generally elongated housing having a first and a second end, said first end being open; a first generally L-shaped clamping member partially and slidably disposed within said housing, said L-shaped clamping member further being disposed through said opening and including a first hair engaging surface outside said housing; a second clamping member positioned adjacent said L-shaped clamping member and including a second hair engaging surface; a spring interconnected between said L-shaped clamping member and said housing for biasing said L-shaped clamping member toward said second end of said housing and for biasing said first hair engaging surface toward and into engagement with said second hair engaging surface; and a control cap slidably disposed on the periphery of said housing, said cap including a projection extending into said housing through an elongate aperture in said housing, said projection engaging said L-shaped member for moving the L-shaped member against the bias of the spring such that the position of said hair engaging surfaces with respect to each other is determined by the position of said control cap with respect to said housing.
Claim 17
Dependent Claim 135 words
The hair grasping device as recited in claim 17 wherein said elongate aperture has a first end and a second end, said first end of said aperture being positioned closer to said first end of said housing than said second end of said aperture and said second end of said aperture being positioned closer to said second end of said housing than said first end of said aperture, said control cap projection engaging said L-shaped member such that said spring biases said control cap towards said second end of said aperture, whereby when said control cap is positioned proximate said second end of said aperture said hair engaging surfaces are in contact with each other and when said control cap is moved toward said first end of said aperture said hair engaging surfaces are disengaged.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-02-18 1994-08-20 1995-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-02-18 1998-08-20 1999-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-02-18 2002-08-20 2003-02-19 $7700.00 Window Closed / Lapsed

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