Specifications

The Patent Office Journal 17/12/2010
4614
(12) PATENT APPLICATION PUBLICATION (21) Application No.2127/CAL/1998 A
(19) INDIA
(22) Date of filing of Application :03/12/1998 (43) Publication Date : 17/12/2010
(54) Title of the invention : TOOTHBRUSH AND METHOD OF MAKING THE SAME
(51) International classification
:A46D
9/02, 1/06
(31) Priority Document No :08/995,666
(32) Priority Date :22/12/1997
(33) Name of priority country :U.S.A.
(86) International Application No
Filing Date
:NA
:NA
(87) International Publication No : NA
(61) Patent of Addition to Application Number
Filing Date
:NA
:NA
(62) Divisional to Application Number
Filing Date
:NA
:NA
(71)Name of Applicant :
1)MCNEIL-PPC, INC.
Address of Applicant :GRENDVIEW ROAD, SKILLMAN,
NJ U.S.A.
(72)Name of Inventor :
1)ALAN G. TROJANOWSKI
2)RUBY E. KIRKUP
3)RICHARD M. PROSPERO
(57) Abstract :
The invention relates to a toothbrush that provides good subgingival access while being gentle and non-irritating to the oral soft tissue.
The toothbrush of the invention comprises a brush head and a handle. The brush head comprises tufts of bristles generally parallel to
each other and arranged in rows. The rows of bristles comprise outer rows adjacent the periphery of the brush head and at least one
inner row between the outer rows. The inner bristles are preferably polished on their free ends and the outer bristles are feathered. The
outer bristles are preferably polished prior to being feathered. The inner bristles are preferably shorter than the outer bristles.
No. of Pages : 42 No. of Claims : 67