US Patent No: 4,524,478

Number of patents in Portfolio can not be more than 2000

Toothbrush

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Abstract

A toothbrush consisting of two brusheads extending outwardly from a common elongated labeled handle. Brusheads are connected to the handle by means of curved neck portions extending in parallel directions, yet holding bristle arrangements in opposing directions and at opposite and equal angles of forty-five degrees with respect to the longitudinal axis of the handle. Bristle arrangements are specifically constructed to most effectively cover, contact, and clean one-half of each tooth surface area naturally available for toothbrush access. Bristle arrangements consisting of three portions corresponding to three specific areas of one-half of tooth and gumline of user. The opposite one-half of the tooth and gumline being cleaned by using the reverse end of the toothbrush, the identification of which being found on the labeled handle.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ross, L Wayne 1107 Church St., Bastrop, TX 78602 1 19

Cited Art

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
4,185,349 Toothbrush contoured to the human mouth 48 1977

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
THE PROCTER & GAMBLE COMPANY (4)
5,511,275 Toothbrush exhibiting three-dimensional bristle profile and end rounded bristles for improved interproximal cleaning without increasing gum irritation 51 1995
D380302 Set of bristles 16 1995
5,926,897 Toothbrush having bristles for interproximal cleaning 15 1996
6,178,583 Toothbrush having bristles for interproximal cleaning 17 1999
 
COLGATE-PALMOLIVE COMPANY (1)
6,041,468 Prophy toothbrush 35 1998
 
DR. FRESH, LLC (1)
D660598 Toothbrush bristle 0 2009
 
GOLDEN STAR ORIENTAL SDN BHD (1)
5,522,109 Double-headed toothbrush 58 1994
 
ST. JON LABORATORIES, INC. (1)
4,738,001 Canine and feline toothbrush 18 1986
 
WILKES, LUCILLIE (1)
5,622,502 Tooth brush with helical bristles and method 52 1994
 
Other [Check patent profile for assignment information] (10)
4,882,803 Dental apparatus 30 1988
5,025,525 Tooth brush with an anatomically compatible structure 3 1990
D337659 Combined cleaning brush and sponge 8 1992
5,487,203 Squeegee having an advertising display area 23 1994
5,604,951 Prophy toothbrush 98 1994
5,709,005 Implement handle having advertising display area and separate gripping portion 6 1995
5,930,860 Prophy bristle toothbrush 91 1996
D444567 Dental dispensing tray 5 2000
D435293 Dental tool 13 2000
D435106 Dental applicator 6 2000