This is a continuation-in-part of U.S. Pat. application Ser. No. 06/703,745, filed Feb. 21, 1985, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
D157514 | Perwas | Feb 1950 | |
D270669 | Cassai et al. | Sep 1983 | |
759490 | Yates | May 1904 | |
1465522 | Lundy | Aug 1923 | |
1806520 | Cave | May 1931 | |
1894413 | Nenning et al. | Jan 1933 | |
1996205 | Jackson | Apr 1935 | |
2164219 | McGerry | Jun 1939 | |
2167129 | Sleeper | Jul 1939 | |
2206542 | Arnold | Jul 1940 | |
2319841 | Bate | May 1943 | |
3204275 | Baker | Sep 1965 | |
3559226 | Burns | Feb 1971 | |
3720975 | Nelson | Mar 1973 | |
3892040 | Marquis | Jul 1975 | |
4030199 | Russell | Jun 1977 | |
4222143 | Tarrson et al. | Sep 1980 | |
4387479 | Kigyos | Jan 1983 | |
4520526 | Peters | Jun 1985 | |
4535761 | Rabinowitz | Aug 1985 |
Number | Date | Country |
---|---|---|
519804 | Mar 1931 | DE2 |
671738 | Sep 1929 | FRX |
Entry |
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"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. |
Number | Date | Country | |
---|---|---|---|
Parent | 703745 | Feb 1985 |