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US5373607A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair cleaning device

Assignee: Individual
•
Filing: 1993-09-21
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Granted: 1994-12-20
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Expires: 2013-09-21
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Abstract

Abstract A hair cleaning device comprised of a motor holder to hold an induced draft fan device and a DC power supply, a bottom shell covered on the motor holder at the bottom, a top cover covered on the motor holder at the top, the bottom shell having teeth for combing the hair and ventilation tubes for passing air, the top cover having a button for turning on the induced draft fan device, causing it to produce an induced draft for sucking up dust and dandruff from the hair into the bottom shell.

Inventors

  • 👤 Jyh-Shyan Hwang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:17
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0066

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 270 words
A hair cleaning device comprising: a top cover comprising a circular hole in a center thereof, a button mounted in said circular hole, and a plurality of inside notches spaced around a border of said cover at a bottom thereof; a motor holder covered by said top cover, said motor holder comprising a plurality of wedge blocks spaced around a top of said holder and respectively engaged into said inside notches, a motor disposed at the top of said holder, a DC power supply, a switch connected between said motor and said DC power supply and controlled by said button on said top cover, and a fan blade disposed at a bottom of said holder and driven by said motor to produce an induced draft; a fan guard fastened to said motor holder around said fan blade, said fan guard comprising a plurality of exhaust holes, a screen filter covered over said exhaust holes, and two mounting holes at two opposite locations; a bottom shell fastened to said fan guard at the bottom, said bottom shell comprising two upright retainer rods respectively engaged into said mounting holes on said fan guard, a plurality of ventilation tubes extending upward from a bottom of said bottom shell for passing air, and a plurality of teeth extending downward from the bottom of said bottom shell for combing the hair; and a partition plate mounted on said ventilation tubes and spaced above the bottom of said bottom shell and disposed between said fan blade and said bottom shell, said partition plate having a plurality of mounting holes into which said ventilation tubes respectively fit.
Claim 2
Dependent Claim 270 words
A hair cleaning device comprising: a top cover comprising a circular hole in a center thereof, a button mounted in said circular hole, and a plurality of inside notches spaced around a border of said cover at a bottom thereof; a motor holder covered by said top cover, said motor holder comprising a plurality of wedge blocks spaced around a top of said holder and respectively engaged into said inside notches, a motor disposed at the top of said holder, a DC power supply, a switch connected between said motor and said DC power supply and controlled by said button on said top cover, and a fan blade disposed at a bottom of said holder and driven by said motor to produce an induced draft; a fan guard fastened to said motor holder around said fan blade, said fan guard comprising a plurality of exhaust holes, a screen filter covered over said exhaust holes, and two mounting holes at two opposite locations; a bottom shell fastened to said fan guard at the bottom, said bottom shell comprising two upright retainer rods respectively engaged into said mounting holes on said fan guard, a plurality of ventilation tubes extending upward from a bottom of said bottom shell for passing air, and a plurality of teeth extending downward from the bottom of said bottom shell for combing the hair; and a partition plate mounted on said ventilation tubes and spaced above the bottom of said bottom shell and disposed between said fan blade and said bottom shell, said partition plate having a plurality of mounting holes into which said ventilation tubes respectively fit.
Claim 3
Dependent Claim 25 words
The hair cleaning device of claim 1 wherein each ventilation tube has an output end disposed at the top, the output end being directed sideways.
Claim 4
Dependent Claim 26 words
The hair cleaning device of claim 1 further comprising a fastening belt mounted on said top cover for securing a hand during use of the device.

References Cited (Backward Citations)

US1107715A Cited
US1225244A Cited
US2809390A Cited
US2753434A Cited
US3934302A Cited
US3903564A Cited
US4218806A Cited
DE3521603A1 Cited
US4799460A Cited
US5074006A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-12-19 1998-06-20 1998-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-12-19 2002-06-20 2002-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-12-19 2006-06-20 2006-12-20 $7700.00 Window Closed / Lapsed

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