AU742959B2 - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- AU742959B2 AU742959B2 AU13137/99A AU1313799A AU742959B2 AU 742959 B2 AU742959 B2 AU 742959B2 AU 13137/99 A AU13137/99 A AU 13137/99A AU 1313799 A AU1313799 A AU 1313799A AU 742959 B2 AU742959 B2 AU 742959B2
- Authority
- AU
- Australia
- Prior art keywords
- head
- tuft
- tufts
- toothbrush
- handle
- Prior art date
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
- A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
- A46B5/026—Grips or handles having a nonslip section
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Description
WO 99/23910 PCT/US98/23780
TOOTHBRUSH
The invention relates generally to the field of oral care, and in particular to toothbrushes. More particularly, the invention relates to a toothbrushes with a threedimensional bristle profile to provide improved cleaning of interproximal and gingival marginal regions of teeth.
Toothbrushing and flossing are fundamental steps in achieving good oral hygiene. The practice of flossing, unfortunately, has not met with widespread acceptance among the general populace even though it is acknowledged by the general populace that flossing is something that should be completed as part of good oral hygiene. Furthermore, even people who floss oftentimes do not perform adequate flossing in hard to reach areas of the mouth. Unfortunately, while most commercially available toothbrushes clean the outer buccal face of teeth adequately, they fail to provide improved cleaning of plaque and debris from the gingival margin, interproximal areas, lingual surfaces and other hard to reach areas of the mouth.
One reason that such toothbrushes do not adequately clean the rear-most molars wisdom teeth or second molars) is that the one or more tufts secured to the toothbrush head at a location most distal from the toothbrush handle are not angled towards a direction along which the head extends from the handle. As such, these tufts cannot extend far enough past the end of the head of the toothbrush to sufficiently clean the molar teeth in the back of the mouth.
Additionally, in those brushes having tufts of bristles which angle towards the handle and other tufts which angle away from the handle, all of such tufts are essentially the same length and have the same cross-section. Consequently. while these angled tufts may clean one part of the teeth in a satisfactory manner, other parts of the teeth will not be cleaned sufficiently due to the homogeneous length, spacing and cross-section of the tufts.
Further, prior art toothbrushes disclose tufts of bristles having at most three different types of cross-sections. However, there are more than three parts of the teeth which need to be cleaned by a brush the outer buccal face, gingival margin, interproximal areas, lingual surfaces and rearward most molars). As such, prior art brushes do not provide tufts of sufficiently varied cross-section specifically designed to clean all areas of the teeth.
Object of the Invention It is an object of the present invention to overcome or ameliorate some of the disadvantages of the prior art, or at least to provide a useful alternative.
Summary of the Invention There is firstly disclosed herein; a toothbrush, comprising: a handle; a head extending from the handle; and a plurality of tufts of bristles secured to the head, one of the tufts being secured to the head at a location such that no other tuft is secured to the head at a location which is more distal from the handle than the location where the one tuft is secured to the head, the one tuft being angled by about 81 degrees or less relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the one tuft is secured to the head, the one tuft being tilted away from the handle towards a direction along which the head extends from the handle.
There is further disclosed herein; a toothbrush comprising: a handle; a head extending from the handle; and a plurality of tufts of bristles secured to the head, two of the tufts each being at an 20 acute angle relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the two tufts are secured to the head, the two tufts having a different characteristic from each other selected from the group of characteristics consisting of, cross-section, material and combinations thereof, a first one of the two tufts being angled in a first direction towards the handle, and a second one of the two tufts being angled in a second direction opposite the first direction.
There is further disclosed herein; a toothbrush, comprising: a handle; a head extending from the handle; and first and second tufts of bristles secured to the head, the tufts each being at an acute angle relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the tufts are secured to the head, the tufts differing in cross-section, the first tuft being angled in a first direction towards the handle, the second tuft being angled in a second direction opposite the first direction.
There is further disclosed herein; a toothbrush, comprising: a head wvith a frontal free end and a rearward section; 'Vt O 0 [Is\DayLib\LIBLLJ02230.doc:AVS a handle connected to the head; tufts of bristles arranged in longitudinal rows on the rearward section of the head, tufts in a first row being tilted in a first direction towards the free end of the head, tufts in a second row being titled towards a second direction opposite the first direction; and a further tuft of bristles secured to the frontal free end of the head and being tilted towards the first direction, the further tuft having a first greater length, the tufts on the rearward section of the head either having the first greater length or a second smaller length, each longitudinal row including tufts of bristles of the first and second length, adjacent tufts in a longitudinal row alternately having the first and second lengths.
1o The tuft is therefore able to extend past the end of the head of the toothbrush and thus clean molars in the back of the mouth in a more sufficient manner.
Providing angled tufts which vary in their length, cross-section, color, materials or combinations thereof, allows such angled tufts to clean more than one part of the teeth.
For example, one type of angled tuft will clean the buccal face of teeth while another type of angled tuft will clean the interproximal areas of the teeth.
By providing tufts with at least five types of cross-sections, these tufts can clean all areas of the teeth the outer buccal face, gingival margin, interproximal areas, lingual surfaces and rearward most molars) properly.
Brief Description of the Drawings A preferred embodiment of the invention will now be described, by way of example only, with reference to the accompanying drawings.
FIG. 1 is a perspective view of a toothbrush according to an embodiment of the present invention; FIG. 2 is a top view of a toothbrush of FIG. 1; a" FIG. 2 is a sitopde view of a toothbrush of FIG. 1;I a FIG. 3 is a side view of a toothbrush of FIG. 1 S" FIGs. 4 and 5 are partial side views of the head and respective portions of the tufts of the toothbrush of FIG. 1; FIG. 6 is a partial sectional view of the head of the toothbrush taken along the lines .o 30 of 6-6 of FIG. 3; and FIG. 7 perspective view of the head and a portion of the handle of the toothbrush of FIG. 1.
[I:ADayLib\LIBLL]o02230.doc:AVS Detailed Description of the Preferred Embodiments Beginning with FIGS. 1-3, a toothbrush 10 includes a handle portion 12 and a head portion 14 which extends from the handle in a direction D. The overall length of toothbrush 10 is preferably about 7.7 inches (19.6 cm) while the width of head 14 at its widest portion is preferably about 0.5 inches (1.27 cm). A main portion 16 of handle 12, and head 14 are made of a unitary piece of polypropylene. Remaining portions of handle 12, including thumb gripping portion 18, optional Trademark 24 (preferably about 0.83 inches (2.1 cm) long) and finger gripping portion 20 are preferably made of a thermoplastic elastomer, preferably kraton rubber (a hydrogenated or unhydrogenated oil filled block co-polymer of styrene and butadiene or isoprene having a shore A hardness of between about 5 and about 70). Thumb gripping portion 18 and a portion of finger gripping portion 20 have a series of seventeen raised ribs 22 which aid in the gripability of the handle. Ribs 22 are preferably 0.05 (1.27 cm) inches in width.
With reference to FIGS. 3-7, a plurality of tufts 26 of bristles are secured to head 14 of the toothbrush. Each tuft is made up of a large number of bristles, and all of the •bristles are preferably end-rounded. There are five different types of tufts secured to the head each tuft type having a cross-section which differs in both area and shape to the other tuft types.
A first type of tuft, type 28, is made up of bristles formed of 20 polybutylene-terephthalate (PBT) with an abrasive such as kaolin clay particles mixed throughout the PBT. These bristles are between about 0.005 to 0.009 inches (0.13 to 0.23 •mm) in diameter, preferably 0.007 inches (0.18mm) in diameter. The length of these bristles, measured from surface 30 of head 14, is about 0.440 inches (1.18 cm). The cross-sectional tufted area for tuft 28 is about 0.0373 square inches (0.241 cm 2 providing a tuft volume measured from the head surface of about 0.0164 cubic inches (0.269 cm 3 (preferably this volume is between about 0.015 and 0.018 cubic inches (0.25 to 0.29 cm 3 There is only one type 28 tuft secured to head 14 and it is located more distal from handle 14 than any other tuft.
A second type of tuft, type 32, is made up of nylon IndicatorsTM type bristles which are formed of 6.12 nylon and colored blue on their external surface. As is well known in the art, the blue coloring on these bristles is slowly worn away as the brush is used over time to indicate the extent to which the toothbrush is worn. These bristles are between about 0.005 to 0.009 inches (0.13 to 0.23 mm) in diameter, preferably S0.007 inches (0.18 mm) in diameter. The length of these bristles, measured from surface 3 30 of head 14, is about 0.350 inches (0.889 cm). The cross-sectional area of each tuft 32 [R:\LIBLL] 12052.doc:FDP:TCW:caa is about 0.0045 square inches (0.29 cm2). As shown in FIG. 6, type 32 tufts have a round cross-section. There are between 8 and 12 type 32 tufts secured to head 14.
A third type of tuft, type 34, is made up of bristles formed of PBT with an abrasive such as kaolin clay particles mixed throughout the PBT. These bristles are between about 0.005 to 0.009 inches in diameter (0.13 to 0.23 mm), preferably 0.007 inches (0.18 mm) in diameter. The length of these bristles, measured from surface of head 14, is about 0.440 inches (1.12 cm). The cross-sectional area of each tuft 34 is about 0.0027 square inches (0.017 cm 2 There are between eight and twelve type 34 tufts secured to head 14. As shown in FIG. 6, type 34 tufts are rectangular in shape with 0to rounded ends.
A fourth type of tuft, type 36, is made up of bristles formed of PBT with an abrasive such as kaolin clay particles mixed throughout the PBT. These bristles are between about 0.005 to 0.009 inches (0.13 to 0.23 mm) in diameter, preferably oooo .0.007 inches (0.18 mm) in diameter. The length of these bristles, measured from surface :oo 15 30 of head 14, is about 0.440 inches (1.12 cm). The cross-sectional area of each tuft 36 is about 0.0040 square inches (0.026 cm2). There are between four and six type 36 tufts secured to head 14. As shown in FIG. 6, type 36 tufts are rectangular in shape with S•rounded ends, and are wider across the head than type 34 tufts.
A fifth and final type of tuft, type 38, is made up of bristles formed of PBT with *0 20 an abrasive such as kaolin clay particles mixed throughout the PBT. These bristles are oo*between about 0.005 to 0.009 inches (0.13 to 0.23 mm) in diameter, preferably S: 0.006 inches (0.15 mm) in diameter. The length of these bristles, measured from surface of head 14, is about 0.350 inches (0.889 cm). The cross-sectional area of each tuft 38 is about 0.0084 square inches (0.054 cm 2 There are between four and six type 38 tufts secured to head 14. As shown in FIG. 6, type 36 tufts are rectangular in shape with rounded ends, and are wider than type 36 tufts.
Based on the cross-sectional areas of the various tufts described above, tuft type 28 has a cross-section which is more than four times, preferably at least eight times, as large as any other tuft secured to head 14. Although specific materials were described above from which the bristles of each tuft are made, other materials can be used. As such, any of the bristles attached to head 14 could be made from, for example, PBT with or without an abrasive such as kaolin clay, 6.12 nylon with or without an abrasive, or nylon IndicatorTM material with or without an abrasive.
[R:\LIBLL] 12052.doc:FDP:TCW:caa Additionally, the bristles within a tuft and between tufts can have varying lengths, diameters, cross-sectional shapes, cross-sectional areas, colors and be made of differing materials.
As best seen in FIGS. 2, 4 and 5 and seven, all of the tufts on head 14 are angled either towards direction D or towards the direction opposite of direction D by preferably less than about 81 degrees, more preferably between about 69 degrees to about 81 degrees, and most preferably by about 75 degrees, relative to an imaginary straight line which is tangent to surface 30 of head 14. If surface 30 was flat, rather than curved, then line 40 would be co-planar with surface 30. Two outer rows of tufts 42 are angled towards direction D away from handle 12. An inner row of tufts 44 are angled opposite direction D towards handle 12 with the exception of large tuft 28 which is tilted towards direction D away from handle 12.
Toothbrush 10 can be made by the following process which is generally S understood by those skilled in the art. Each of the tufts of bristles are formed by 15 gathering together a desired amount of bristles of a selected material, length and diameter.
oo. The tufts are then inserted into apertures in part of a mold of an injection molding machine. An end of the tuft which is or will project into the mold cavity is then melted to Sjoin the bristles together in a fused mass or ball at that end of the tuft.
e* ooooe [R:\LIBLL] 12052.doc:FDP:TCW:caa WO 99/23910 PCT/US98/23780 -6- The mold part bearing the tufts is then joined with another portion of the mold which together define a cavity used to form main portion 16 of the toothbrush. The fused masses of the tufts are located just within the cavity.
Polypropylene is then injected into the cavity to form portion 16 of toothbrush 10. The polypropylene is then cooled at which point the partially finished toothbrush is moved to a second injection molding station. The cooled, hardened polypropylene secures the fused masses of the tufts to head 14 of the toothbrush. At the second molding station, the partially finished brush is put into a second mold having cavities to form the thumb gripping portion 18, trademark 24 and finger gripping portion 20. A thermoplastic elastomer is then injected into the mold after which the elastomer is cooled and finished toothbrush 10 is removed from the mold.
The toothbrush is then packaged.
Claims (20)
1. A toothbrush, comprising: a handle; a head extending from the handle; and a plurality of tufts of bristles secured to the head, one of the tufts being secured to the head at a location such that no other tuft is secured to the head at a location which is more distal from the handle than the location where the one tuft is secured to the head, the one tuft being angled by 81 degrees or less relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the one tuft is secured to the head, the one tuft being tilted away from the handle towards a direction along which the head extends from the handle, a second one of the tufts being tilted towards the handle, a third one of the tufts being angled at an acute angle relativeIo the imaginary line, the second tuft having a characteristic which differs from the third tuft, the characteristic being selected from the group of characteristics consisting of length and cross-section.
2. The toothbrush of claim 1, wherein the one tuft is angled by between about 69 to 81 degrees from the imaginary line.
3. The toothbrush of claim 2, wherein the one tuft is angled by about 20 degrees from the imaginary line. i!i 4. The toothbrush of any one of claims 1-3, wherein the second and third tufts have different lengths from each other when measured from the surface. The toothbrush of claim 4, wherein the second and third tufts differ in length from each other by about .090 inches (0.23cm). "i 25 6. The toothbrush of any one of claims 1-3, wherein the second and third tufts have different cross-sections from each other.
7. The toothbrush of claim 6, wherein the cross-sections differ in shape.
8. The toothbrush of claim 6, wherein the cross-sections differ in area. a a9. The toothbrush of any one of the preceding claims, wherein the cross- a. .O 30 sectional area of the one tuft is at least eight times as large as the cross-sectional area of the second tuft or any one of the other tufts secured to the head. The toothbrush of any one of the preceding claims, wherein no other tuft is secured to the head at a location which is as distal from the handle as the location where the one tuft is secured to the head. O ADayLibLIBLL02229.do:AVS a[I AlayLib\LIBLL02229doc: A VS
11. The toothbrush of any one of the preceding claims, wherein the one tuft has a tuft volume measured from the head surface of between about .015 and .018 cubic inches. (0.24 and 0.29 cubic centimetres).
12. The toothbrush of any one of claims 1-3, wherein one or more of the -bristles has a characteristic which is different from the other bristles, the characteristic being selected from the group consisting of length, diameter, cross-sectional area, cross- sectional shape, color, material and combinations thereof.
13. A toothbrush, comprising: a handle; a head extending from the handle; and a plurality of tufts of bristles secured to the head, two of the tufts each being at an acute angle relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the two tufts are secured to the head, the two tufts having a different characteristic from each other selected from the group of characteristics consisting of, cross-section, material and combinations thereof, a first one of the two tufts being angled in a first direction towards the handle, and a second one of the two tufts being angled in a second direction opposite the first direction.
14. The toothbrush of claim 13, wherein the characteristic is cross-section, and the cross-sections differ in area. 20 15. The toothbrush of claim 13, wherein the characteristic is cross-section, and the cross-sections differ in shape.
16. The toothbrush of any one of claims 13-15, further comprising: S a third tuft, the third tuft being secured to the head at a location such that no other tuft is secured to the head at a location which is more distal from the 25 handle than the location where the third tuft is secured to the head.
17. The toothbrush of claim 16, wherein the third tuft is angled by between ,e&about 69 to about 81 degrees from the imaginary line.
18. The toothbrush of claim 17, wherein the third tuft is angled by about degrees from the imaginary line.
19. The toothbrush of claim 16 or 17, wherein the third tuft is angled by about 81 degrees or less relative to the imaginary line and tilted away from the handle towards a general direction from which the head extends from the handle. The toothbrush of any one of claims 16-19, wherein the cross-sectional area of the third tuft is at least four times as large as the cross-sectional area of any other tuft secured to the head.
21. The toothbrush of any one of claims 16-20, wherein no other tuft is secured to the head at a location which is as distal from the handle as the location where the third tuft is secured to the head.
22. The toothbrush of any one of claims 13-21, wherein one or more of the bristles has a characteristic which is different from the other bristles, the characteristic being selected from the group consisting of length, diameter, cross-sectional area, cross- sectional shape, color, material and combinations thereof. l0 23. The toothbrush of any one of claims 13-21, wherein one of the tufts is angled towards the handle and the other of the tufts is angled away from the handle.
24. The toothbrush of any one of claims 13-23, wherein the two tufts are angled by between about 69 to 81 degrees from the imaginary line. The toothbrush of claim 24, wherein the two tufts are angled by about 75 degrees from the imaginary line.
26. A toothbrush, comprising: a handle; a head extending from the handle; and first and second tufts of bristles secured to the head, the tufts each being at an S* 20 acute angle relative to an imaginary line which is tangent to or co-planar with a surface of the head through which the tufts are secured to the head, the tufts differing in cross- section, the first tuft being angled in a first direction towards the handle, the second tuft being angled in a second direction opposite the first direction. 0 .027. The toothbrush of claim 26, wherein the tufts also differ in color.
28. The toothbrush of claim 26 or 27, further including a third tuft which is tilted towards the handle.
29. A toothbrush, comprising: a head with a frontal free end and a rearward section; a handle connected to the head; 30 tufts of bristles arranged in longitudinal rows on the rearward section of the head, tufts in a first row being tilted in a first direction towards the free end of the head, tufts in a second row being tilted towards a second direction opposite the first direction; and [I:\DayLib\LIBLL]02229.doc:AVS:KEH a further tuft of bristles secured to the frontal free end of the head and being tilted towards the first direction, the further tuft having a first greater length, the tufts on the rearward section of the head either having the first greater length or a second smaller length, each longitudinal row including tufts of bristles of the first and second lengths, adjacent tufts in a longitudinal row alternately having the first and second lengths. The toothbrush of any one of claims 1 to 8, wherein the cross-sectional area of the one tuft is at least four times as large as the cross-sectional area of any other tuft secured to the head.
31. A toothbrush substantially as hereinbefore described with reference to the accompanying drawings. Dated 9 November, 2001 Gillette Canada Inc. Patent Attorneys for the Applicant/Nominated Person SPRUSON FERGUSON [R:\LIBLL] 12052.doc:FDP:TCW:caa
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96829397A | 1997-11-12 | 1997-11-12 | |
| US08/968293 | 1997-11-12 | ||
| US09/177991 | 1998-10-23 | ||
| US09/177,991 US6308367B1 (en) | 1997-11-12 | 1998-10-23 | Toothbrush |
| PCT/US1998/023780 WO1999023910A1 (en) | 1997-11-12 | 1998-11-06 | Toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1313799A AU1313799A (en) | 1999-05-31 |
| AU742959B2 true AU742959B2 (en) | 2002-01-17 |
Family
ID=26873851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU13137/99A Expired AU742959B2 (en) | 1997-11-12 | 1998-11-06 | Toothbrush |
Country Status (24)
| Country | Link |
|---|---|
| EP (2) | EP1240847B1 (en) |
| JP (4) | JP4069188B2 (en) |
| CN (1) | CN1120682C (en) |
| AR (1) | AR048240A2 (en) |
| AT (1) | ATE233060T1 (en) |
| AU (1) | AU742959B2 (en) |
| BR (1) | BR9806247A (en) |
| CA (1) | CA2271852C (en) |
| CZ (1) | CZ172999A3 (en) |
| DE (4) | DE69811634T3 (en) |
| ES (1) | ES2192797T5 (en) |
| GB (1) | GB2333697A (en) |
| HU (1) | HUP0004254A3 (en) |
| ID (1) | ID21723A (en) |
| IL (1) | IL129913A (en) |
| NO (1) | NO992417L (en) |
| NZ (1) | NZ335854A (en) |
| PL (1) | PL191797B1 (en) |
| RO (1) | RO120310B1 (en) |
| RU (1) | RU2228129C2 (en) |
| SK (1) | SK63899A3 (en) |
| TR (1) | TR199901208T1 (en) |
| TW (1) | TW538701U (en) |
| WO (1) | WO1999023910A1 (en) |
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| DE19900765A1 (en) | 1999-01-12 | 2000-07-13 | Braun Gmbh | Device for removing plaques and for cleaning interdental spaces |
| WO2001017391A1 (en) | 1999-09-08 | 2001-03-15 | The Procter & Gamble Company | A handle for a toothbrush |
| US6564416B1 (en) * | 2000-05-22 | 2003-05-20 | Gillette Canada Company | Toothbrush |
| JP4132744B2 (en) | 2000-08-23 | 2008-08-13 | 花王株式会社 | Brush manufacturing method and apparatus |
| CN1325026C (en) | 2000-12-07 | 2007-07-11 | 葛兰素史密斯克兰消费者保健股份有限公司 | Brush part for electric toothbrush |
| DE10122987B4 (en) * | 2001-05-11 | 2007-07-12 | Bürstenmann GmbH | toothbrush head |
| JP4688345B2 (en) * | 2001-05-24 | 2011-05-25 | 花王株式会社 | toothbrush |
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| GB0123939D0 (en) | 2001-10-05 | 2001-11-28 | Glaxosmithkline Consumer Healt | Toothbrush |
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| DE10209320A1 (en) | 2002-03-02 | 2003-09-25 | Braun Gmbh | Toothbrush head of an electric toothbrush |
| US20030163882A1 (en) | 2002-03-04 | 2003-09-04 | The Procter & Gamble Company | Electric toothbrushes |
| US7269872B2 (en) * | 2002-04-12 | 2007-09-18 | Colgate-Palmolive Company | Powered toothbrush head |
| US7478959B2 (en) | 2002-09-05 | 2009-01-20 | Colgate-Palmolive Company | Oral care toothbrush |
| US20040177462A1 (en) * | 2003-03-14 | 2004-09-16 | The Gillette Company | Toothbrush head |
| US20060272112A9 (en) * | 2003-03-14 | 2006-12-07 | The Gillette Company | Toothbrush |
| CA2644300C (en) | 2003-04-23 | 2013-07-23 | John Geoffrey Chan | Electric toothbrushes |
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| DE102005045279A1 (en) * | 2005-09-22 | 2007-04-05 | Braun Gmbh | toothbrush head |
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- 1998-11-06 CZ CZ991729A patent/CZ172999A3/en unknown
- 1998-11-06 RO RO99-00597A patent/RO120310B1/en unknown
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- 1998-11-06 BR BR9806247-6A patent/BR9806247A/en not_active IP Right Cessation
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- 1998-11-06 AT AT98956668T patent/ATE233060T1/en not_active IP Right Cessation
- 1998-11-06 HU HU0004254A patent/HUP0004254A3/en unknown
- 1998-11-06 IL IL12991398A patent/IL129913A/en not_active IP Right Cessation
- 1998-11-06 EP EP98956668A patent/EP0955837B2/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CB | Opposition filed |
Opponent name: COLGATE-PALMOLIVE COMPANY |
|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |