Interdental brush
Latest John O. Butler Company Patents:
Description
FIG. 1 is a perspective view of an interdental brush, showing our new design.
FIG. 2 is a side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a fragmentary side elevational view of a second embodiment of an interdental brush; and
FIG. 6 is a fragmentary side elevational view of a third embodiment of an interdental brush.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D242883 | January 4, 1977 | De Marco |
D262236 | December 8, 1981 | Tarrson et al. |
D262315 | December 15, 1981 | Tarrson et al. |
D262316 | December 15, 1981 | Tarrson et al. |
1465522 | August 1923 | Lundy |
1806520 | May 1931 | Cave |
1894413 | January 1933 | Nenning et al. |
1996205 | April 1935 | Jackson |
2164219 | June 1939 | McGerry |
2167129 | July 1939 | Sleeper |
2206542 | July 1940 | Arnold |
2319841 | May 1943 | Bate |
3204275 | September 1965 | Baker |
3559226 | February 1971 | Burns |
3720975 | March 1973 | Nelson |
3892040 | July 1975 | Marquis |
3939520 | February 24, 1976 | Axelsson |
3964122 | June 22, 1976 | Kurdy |
4030199 | June 21, 1977 | Russell |
4222143 | September 16, 1980 | Tarrson et al. |
4319377 | March 16, 1982 | Tarrson et al. |
4387479 | June 14, 1983 | Kigyos |
679174 | July 1939 | DE2 |
- "D-Plak-R" Toothpick Holder, Dental Products Report, 5/74. A photograph of three brushes by Sanyo-Hapics Perio Pic, from Japan Perio Center (date unknown). Page 40, Oral Health, Jan. 1979. Picture of unknown Japanese brush (marked Exhibit AS1) of unknown date. Denticator brushes (date unknown). Photocopy of three specimens (marked Exhibit AT2) of unknown date.
Patent History
Patent number: D291505
Type: Grant
Filed: Feb 21, 1985
Date of Patent: Aug 25, 1987
Assignee: John O. Butler Company (Chicago, IL)
Inventors: Emanuel B. Tarrson (Chicago, IL), Dane Maric (Chicago, IL), Thomas P. Kelly (Palatine, IL)
Primary Examiner: Catherine E. Kemper
Law Firm: Laff, Whitesel, Conte & Saret
Application Number: 6/703,810
Type: Grant
Filed: Feb 21, 1985
Date of Patent: Aug 25, 1987
Assignee: John O. Butler Company (Chicago, IL)
Inventors: Emanuel B. Tarrson (Chicago, IL), Dane Maric (Chicago, IL), Thomas P. Kelly (Palatine, IL)
Primary Examiner: Catherine E. Kemper
Law Firm: Laff, Whitesel, Conte & Saret
Application Number: 6/703,810
Classifications
Current U.S. Class:
D/4104;
D/4131