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US2225331A - Rubber bristled toothbursh - Google Patents

Rubber bristled toothbursh Download PDF

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Publication number
US2225331A
US2225331A US23558738A US2225331A US 2225331 A US2225331 A US 2225331A US 23558738 A US23558738 A US 23558738A US 2225331 A US2225331 A US 2225331A
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Prior art keywords
pad
receptacle
bristle
fig
invention
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Charles M Campbell
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Pauline Campbell
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    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/005Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/10For human or animal care
    • A46B2200/1066Toothbrush for cleaning the teeth or dentures

Description

Dec. 17, 19- L c. M. CAMPBELL 2,225,331

RUBBER BRISTLED TOOTHBBUSH Filed Oct. 18, 19:58

y .1 I EL 2 {9F I INVENTOR Patented 17, 1940 PATENT OFFICE RUBBER nms'rmnroornnausn Qharles M. Campbell, New York, N. Y., assignmto Pauline Campbell, New York, N. Y.

Application October 18, was, sci-m No. 235,587

. '1 Claim. '(01. 15-188) This invention has for its objects to provide an economical, efiective, convenient and sanitary toothbrush, suitable not only for cleansing of the enamel surfaces of the teeth, but for mas- 5 sage of the gums without abrasion, and to provide readily replaceable rubber brush elements without the necessity for the use of stiileners, clamps and the like which has marked the practice heretofore. A toothbrush'embodying my 10 invention is especially suitable for childrens use,

providing as it does an efiective cleaning instrument, yet one incapable of abrading tender gums. Specifically, my invention consists of a handle wherein a rubber bristle pad is remov- 5' ably inserted, the whole constructed in such a manner that neither handle nor bristle pad nor the means of attaching said pad contain holes, channels, or the like for the unsanitary accumulation of foreign matter.

20 The method whereby these objects are accomplished, and the additional object of ease and economy of manufacture attained, will be readily apparent from the following description and by reference to the accompanying drawing:

25 Fig. 1 is a plan view of my toothbrush showing clearly its general appearance free from any slots, holes or other apertures, such openingsbeing unsanitary accumulators of foreign matter. Ibis figure shows in particular the handle A, the

30 bristle pad B, and indicates the undercut walls 0. The bristle structure in this figure and in Fig. 2 is the small three row child's size.

Fig. 2 is a longitudinal section of my brush along the line 2-2 of Fig. 1, showing a receptacle 5 having undercut bevelled walls C in said handle A with a bristle pad 13 whose base is bevelled complementary to the bevel of said walls C inserted therein. Fig. 3 is a plan view of the adult size tooth 4 brush embodying my invention. The bristle pad B thereof is larger, and has one more row of bristles, than the child's size shown in Figs. 1

and 2.

Fig. 4 is an enlarged plan view of the receptacle D in said handle A indicating a bevel undercutting of its walls C around its entire unbroken periphery, and showing plan convergence of its sides.

Fig. 5 is a cross-section on the line 5-5 of 5 Fig. 4 revealing clearly the bevel undercutting of the walls C of the receptacle D.

Fig. 6 is an elevation 01' said rubber bristle pad B, the base E of which exactly conforms to the interior dimensions of said receptacle D. 55 Fig. '7 is a cross-section on the line 1-1 of receptacle D.

Fig. 8 showing the bevel of said base E of said pad B complementary to the undercut bevel of said walls C of said receptacle D.

Fig. 8 is anelevation of the bristle pad 3 showing an alternate form of bristle construction 5 r with wedge shaped bristle ends particularly adapted to gum massage.

Fig. 9 is a cross-section on the line 9@ of Fig. 8 better revealingthe alternate gum massage bristle shape. 10

My toothbrush thus consists of a handle A of suitable dimensions having at one end a receptacle D with bevelled undercut walls 0 where by the area of the bottom of said receptacle D is greater than the areaof its opening, and a ilexible bristle pad B, the base E of said pad conforming exactly to the inside dimensions of said In the preferred embodiment of my invention the receptacle D is shown with plan convergent sides and uniform undercutting. It is to be understood that this embodiment is used by way of illustration only, and not as a limitation.

The user of my toothbrush is thus enabled by my invention to insert a pad into the receptacle by sliding the narrow end of said pad through the wide end of said receptacle, into firm 'contact with the narrow end of said receptacle, and then, by the natural elasticity of said pad to spring the wide end of said pad into position so within the wide end of said receptacle. The said pad is thus in firm and uniform contact with said receptacle around its entire periphery, affording no crevices for the lodging of foreign matter, and holding said pad securely against accidental dislodgement in ordinary use. Moreover, the user of my tooth brush may remove the used pad at any time by a sharp upward pull on the rubber bristles, enabling him to insert a fresh pad at his convenience. 40 The manufacturer of my toothbrush is enabled by my invention to supply a superior product to the trade at a very low cost since the two elements of my brush are so designed as to be adapted to molding. When my invention is embodied as shown, I prefer that the handle be molded of some suitable plastic material, pref erably Celluloid, and that the bristle pad be molded of rubber. I do not limit myself in any way to the precise embodiment of my invention here described, and, in particular, disclaim the form or shape of the bristle structure shown, as distinct from the form or shape of the bristle pad base which conforms to the disclosed construction of the receptacle in the handle. I am aware therein, and holding means to secure removably said flexible base to said head, said holding means consisting of the walls 0! said receptacle continuously undercut around the periphery of the same and adapted to engage the flexible base when the latter is inserted into said receptacle. the longitudinally opposite walls of said receptacle being convergent in plan to facilitate insertion and withdrawal or said flexible base into and from said receptacle.

CHARLES M. CAMPBELL.

US2225331A 1938-10-18 1938-10-18 Rubber bristled toothbursh Expired - Lifetime US2225331A (en)

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US2225331A US2225331A (en) 1938-10-18 1938-10-18 Rubber bristled toothbursh

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US2225331A true US2225331A (en) 1940-12-17

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Cited By (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476201A (en) * 1945-08-01 1949-07-12 Ligoure Alice Eugenia Sponge rubber insert for toothbrush heads
US2592296A (en) * 1950-04-01 1952-04-08 Louis F Kutik Method of and apparatus for making brushes
US2622260A (en) * 1948-10-11 1952-12-23 Marvin W Vannice Toothbrush with removable head
US3302230A (en) * 1964-10-30 1967-02-07 Poppelmann Ake Toothbrush
US4081877A (en) * 1976-09-23 1978-04-04 Ben Vitale Gum massaging implement
US5040260A (en) * 1989-03-16 1991-08-20 Michaels George G Tooth cleaning and polishing device
US5052070A (en) * 1988-09-20 1991-10-01 Alkinco (Alfred Klugmann International Corporation) Hairbrush
US5269040A (en) * 1991-02-11 1993-12-14 Jeff Switall Brush
US5396679A (en) * 1994-02-07 1995-03-14 Steven R. Brown Toothbrush with replaceable brush insert
US5664278A (en) * 1996-07-09 1997-09-09 Reisman; Morris Vegetable and fruit brush
US5737792A (en) * 1996-09-30 1998-04-14 Quigless; Kirk Dispensable-head manual toothbrush and dispenser combination
US5930860A (en) * 1996-03-27 1999-08-03 Shipp; Anthony D. Prophy bristle toothbrush
US20020084550A1 (en) * 1995-11-09 2002-07-04 Michael Roberts Gum-massaging oral brush
US20030167582A1 (en) * 2002-03-07 2003-09-11 Ultradent Products, Inc. Powered tongue cleaning device
US20040011375A1 (en) * 2002-07-18 2004-01-22 Geka Brush Gmbh Mascara brush
US20050000049A1 (en) * 2002-09-20 2005-01-06 Colgate-Palmolive Company Oral care implement
US20050166344A1 (en) * 2002-09-20 2005-08-04 Colgate-Palmolive Company Oral care implement
US6996870B2 (en) 1995-12-29 2006-02-14 Colgate-Palmolive Company Contouring toothbrush head
US20060080797A1 (en) * 2004-10-14 2006-04-20 Shu-Feng Yu Cleaning brush structure with replaceable brush hair plate
US20080189888A1 (en) * 2007-02-09 2008-08-14 Hohlbein Douglas J Toothbrush with Low Profile Head
US20080209649A1 (en) * 2006-03-16 2008-09-04 Braun Gmbh Toothbrush, as Well as Toothbrush Head Therefor
US7594293B2 (en) 2002-09-20 2009-09-29 Colgate-Palmolive Co. Oral care implement
US20090282628A1 (en) * 2003-02-11 2009-11-19 The Gillette Company Toothbrushes
USD612611S1 (en) 2003-02-11 2010-03-30 The Gillette Company Head of a toothbrush
US7707676B2 (en) 1999-06-14 2010-05-04 The Procter & Gamble Company Toothbrush
US7725980B2 (en) 2004-12-15 2010-06-01 Colgate-Palmolive Company Oral care implement
US7836539B2 (en) 2002-08-09 2010-11-23 Colgate-Palmolive Company Oral care implement
US7841041B2 (en) 2002-08-09 2010-11-30 Colgate-Palmolive Company Oral care implement
US7845042B2 (en) 2002-08-09 2010-12-07 Colgate-Palmolive Company Oral care implement
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
US7941886B2 (en) 2003-09-19 2011-05-17 Braun Gmbh Toothbrushes
US7954191B2 (en) 2002-09-27 2011-06-07 Colgate-Palmolive Company Toothbrush
US7962991B2 (en) 2002-09-20 2011-06-21 Colgate-Palmolive Company Toothbrush
US7975343B2 (en) 2002-09-20 2011-07-12 Colgate-Palmolive Company Toothbrush
US7975344B2 (en) 2003-03-14 2011-07-12 The Gillette Company Toothbrush head
US8042217B2 (en) 2004-11-02 2011-10-25 Colgate-Palmolive Company Toothbrush and method of making the same
US8091170B2 (en) 2002-08-09 2012-01-10 Colgate-Palmolive Company Oral care implement
US8151397B2 (en) 2002-08-09 2012-04-10 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US8332982B2 (en) 2004-04-23 2012-12-18 The Gillette Company Vibrating toothbrush
US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US8448287B2 (en) 2010-10-22 2013-05-28 Mcneil-Ppc, Inc. Replaceable toothbrush head
US8523888B2 (en) 2006-12-18 2013-09-03 Colgate-Palmolive Company Oral care implement
US8549693B2 (en) 2011-04-20 2013-10-08 Gruber, Llc Tooth cleaning device
US8584299B2 (en) 2003-04-23 2013-11-19 The Procter & Gamble Company Electric toothbrushes
USRE44819E1 (en) 2000-03-16 2014-04-01 Procter & Gamble Business Services Canada Company Toothbrush
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US8997299B2 (en) 2011-04-20 2015-04-07 Gruber, Llc Tooth cleaning device
USD726418S1 (en) 2011-04-20 2015-04-14 Gruber, Llc Dental cleaning device
US20150173502A1 (en) * 2013-12-20 2015-06-25 Filip Sedic Toothbrush with Biofilm-Removing Touch Points
USD740033S1 (en) 2011-04-20 2015-10-06 Gruber, Llc Dental cleaning head
USD751823S1 (en) * 2013-07-08 2016-03-22 Eric Radzwill Teddy-bear-shaped toothbrush
USD756121S1 (en) 2011-04-20 2016-05-17 Gruber, Llc Dental cleaning head
USD771952S1 (en) * 2013-12-20 2016-11-22 Filip Sedic Toothbrush with a curved head
USD782825S1 (en) * 2009-02-05 2017-04-04 Colgate-Palmolive Company Toothbrush
WO2017106065A1 (en) * 2015-12-14 2017-06-22 Colgate-Palmolive Company Oral care implement
US9750334B2 (en) 2011-01-04 2017-09-05 Trisa Holding Ag Toothbrush with injection-moulded bristles and method and apparatus for producing the same
USD811094S1 (en) 2015-10-09 2018-02-27 Filip Sedic Toothbrush

Cited By (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476201A (en) * 1945-08-01 1949-07-12 Ligoure Alice Eugenia Sponge rubber insert for toothbrush heads
US2622260A (en) * 1948-10-11 1952-12-23 Marvin W Vannice Toothbrush with removable head
US2592296A (en) * 1950-04-01 1952-04-08 Louis F Kutik Method of and apparatus for making brushes
US3302230A (en) * 1964-10-30 1967-02-07 Poppelmann Ake Toothbrush
US4081877A (en) * 1976-09-23 1978-04-04 Ben Vitale Gum massaging implement
US5052070A (en) * 1988-09-20 1991-10-01 Alkinco (Alfred Klugmann International Corporation) Hairbrush
US5040260A (en) * 1989-03-16 1991-08-20 Michaels George G Tooth cleaning and polishing device
US5269040A (en) * 1991-02-11 1993-12-14 Jeff Switall Brush
US5396679A (en) * 1994-02-07 1995-03-14 Steven R. Brown Toothbrush with replaceable brush insert
US8156600B2 (en) 1995-11-09 2012-04-17 The Gillette Company Gum massaging oral brush
US20020084550A1 (en) * 1995-11-09 2002-07-04 Michael Roberts Gum-massaging oral brush
US6996870B2 (en) 1995-12-29 2006-02-14 Colgate-Palmolive Company Contouring toothbrush head
US8857003B2 (en) 1995-12-29 2014-10-14 Colgate-Palmolive Company Contouring toothbrush head
US5930860A (en) * 1996-03-27 1999-08-03 Shipp; Anthony D. Prophy bristle toothbrush
US5664278A (en) * 1996-07-09 1997-09-09 Reisman; Morris Vegetable and fruit brush
US5737792A (en) * 1996-09-30 1998-04-14 Quigless; Kirk Dispensable-head manual toothbrush and dispenser combination
US7707676B2 (en) 1999-06-14 2010-05-04 The Procter & Gamble Company Toothbrush
US8332985B2 (en) 1999-06-14 2012-12-18 The Procter & Gamble Company Toothbrush
US8060970B2 (en) 1999-06-14 2011-11-22 The Procter & Gamble Company Toothbrush
USRE44819E1 (en) 2000-03-16 2014-04-01 Procter & Gamble Business Services Canada Company Toothbrush
US8079110B2 (en) 2001-07-03 2011-12-20 Colgate-Palmolive Company Oral care implement
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
US20030167582A1 (en) * 2002-03-07 2003-09-11 Ultradent Products, Inc. Powered tongue cleaning device
US6895624B2 (en) 2002-03-07 2005-05-24 Ultradent Products, Inc. Powered tongue cleaning device
US20040011375A1 (en) * 2002-07-18 2004-01-22 Geka Brush Gmbh Mascara brush
US6962160B2 (en) * 2002-07-18 2005-11-08 Geka Brush Gmbh Mascara brush
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US9545148B2 (en) 2002-08-09 2017-01-17 Colgate-Palmolive Company Oral care implement
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
US8091170B2 (en) 2002-08-09 2012-01-10 Colgate-Palmolive Company Oral care implement
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US7836539B2 (en) 2002-08-09 2010-11-23 Colgate-Palmolive Company Oral care implement
US8800093B2 (en) 2002-08-09 2014-08-12 Colgate-Palmolive Company Oral care implement
US7845042B2 (en) 2002-08-09 2010-12-07 Colgate-Palmolive Company Oral care implement
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8151397B2 (en) 2002-08-09 2012-04-10 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8561247B2 (en) 2002-08-09 2013-10-22 Colgate-Palmolive Company Oral care implement
US7975346B2 (en) 2002-08-09 2011-07-12 Colgate-Palmolive Company Oral care implement
US8839481B2 (en) 2002-08-09 2014-09-23 Colgate-Palmolive Company Oral care implement
US7841041B2 (en) 2002-08-09 2010-11-30 Colgate-Palmolive Company Oral care implement
US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US7594293B2 (en) 2002-09-20 2009-09-29 Colgate-Palmolive Co. Oral care implement
US7975343B2 (en) 2002-09-20 2011-07-12 Colgate-Palmolive Company Toothbrush
US9655436B2 (en) 2002-09-20 2017-05-23 Colgate—Palmolive Company Oral care implement
US8800091B2 (en) 2002-09-20 2014-08-12 Colgate-Palmolive Company Oral care implement
US8042214B2 (en) 2002-09-20 2011-10-25 Colgate-Palmolive Company Oral care implement
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
US7950100B2 (en) 2002-09-20 2011-05-31 Colgate-Palmolive Company Oral care implement
US7322067B2 (en) 2002-09-20 2008-01-29 Colgate-Palmolive Company Oral care implement
US7143462B2 (en) * 2002-09-20 2006-12-05 Colgate-Palmolive Company Oral care implement
US9872558B2 (en) 2002-09-20 2018-01-23 Colgate-Palmolive Company Oral care implement
US20050166344A1 (en) * 2002-09-20 2005-08-04 Colgate-Palmolive Company Oral care implement
US20050000049A1 (en) * 2002-09-20 2005-01-06 Colgate-Palmolive Company Oral care implement
US7962991B2 (en) 2002-09-20 2011-06-21 Colgate-Palmolive Company Toothbrush
US8522386B2 (en) 2002-09-20 2013-09-03 Colgate-Palmolive Company Oral care implement
US7954191B2 (en) 2002-09-27 2011-06-07 Colgate-Palmolive Company Toothbrush
US8695149B2 (en) 2003-02-11 2014-04-15 Braun Gmbh Toothbrushes
US7958589B2 (en) 2003-02-11 2011-06-14 The Gillette Company Toothbrushes
US20090282628A1 (en) * 2003-02-11 2009-11-19 The Gillette Company Toothbrushes
USD612611S1 (en) 2003-02-11 2010-03-30 The Gillette Company Head of a toothbrush
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
US20110173765A1 (en) * 2003-02-11 2011-07-21 The Gillette Company Toothbrushes
US7975344B2 (en) 2003-03-14 2011-07-12 The Gillette Company Toothbrush head
US8528148B2 (en) 2003-03-14 2013-09-10 The Gillette Company Toothbrush head
US9220335B2 (en) 2003-03-14 2015-12-29 The Gillette Company Toothbrush head
US8584299B2 (en) 2003-04-23 2013-11-19 The Procter & Gamble Company Electric toothbrushes
US8955186B2 (en) 2003-04-23 2015-02-17 The Procter & Gamble Company Electric toothbrushes
US7941886B2 (en) 2003-09-19 2011-05-17 Braun Gmbh Toothbrushes
US8332982B2 (en) 2004-04-23 2012-12-18 The Gillette Company Vibrating toothbrush
US20060080797A1 (en) * 2004-10-14 2006-04-20 Shu-Feng Yu Cleaning brush structure with replaceable brush hair plate
US7111352B2 (en) * 2004-10-14 2006-09-26 Shu-Feng Yu Cleaning brush structure with replaceable brush hair plate
US8042217B2 (en) 2004-11-02 2011-10-25 Colgate-Palmolive Company Toothbrush and method of making the same
US7725980B2 (en) 2004-12-15 2010-06-01 Colgate-Palmolive Company Oral care implement
US8578546B2 (en) 2005-10-24 2013-11-12 Colgate-Palmolive Company Oral care implement having one or more moving pieces
US8857919B2 (en) 2005-10-24 2014-10-14 Colgate-Palmolive Company Oral care implement having one or more moving sections
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US9271564B2 (en) 2005-10-24 2016-03-01 Colgate-Palmolive Company Oral care implement having one or more moving sections
US20080209649A1 (en) * 2006-03-16 2008-09-04 Braun Gmbh Toothbrush, as Well as Toothbrush Head Therefor
US8523888B2 (en) 2006-12-18 2013-09-03 Colgate-Palmolive Company Oral care implement
US20080189888A1 (en) * 2007-02-09 2008-08-14 Hohlbein Douglas J Toothbrush with Low Profile Head
US8201298B2 (en) 2007-02-09 2012-06-19 Colgate-Palmolive Company Toothbrush with low profile head
USD782825S1 (en) * 2009-02-05 2017-04-04 Colgate-Palmolive Company Toothbrush
US8448287B2 (en) 2010-10-22 2013-05-28 Mcneil-Ppc, Inc. Replaceable toothbrush head
US9750334B2 (en) 2011-01-04 2017-09-05 Trisa Holding Ag Toothbrush with injection-moulded bristles and method and apparatus for producing the same
US8549693B2 (en) 2011-04-20 2013-10-08 Gruber, Llc Tooth cleaning device
USD756121S1 (en) 2011-04-20 2016-05-17 Gruber, Llc Dental cleaning head
USD740033S1 (en) 2011-04-20 2015-10-06 Gruber, Llc Dental cleaning head
US8997299B2 (en) 2011-04-20 2015-04-07 Gruber, Llc Tooth cleaning device
USD726418S1 (en) 2011-04-20 2015-04-14 Gruber, Llc Dental cleaning device
USD751823S1 (en) * 2013-07-08 2016-03-22 Eric Radzwill Teddy-bear-shaped toothbrush
USD771952S1 (en) * 2013-12-20 2016-11-22 Filip Sedic Toothbrush with a curved head
USD795590S1 (en) 2013-12-20 2017-08-29 Filip Sedic Toothbrush with a curved head
US20150173502A1 (en) * 2013-12-20 2015-06-25 Filip Sedic Toothbrush with Biofilm-Removing Touch Points
US9578956B2 (en) * 2013-12-20 2017-02-28 Filip Sedic Toothbrush with biofilm-removing touch points
USD811094S1 (en) 2015-10-09 2018-02-27 Filip Sedic Toothbrush
WO2017106065A1 (en) * 2015-12-14 2017-06-22 Colgate-Palmolive Company Oral care implement

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