U.S. patent number D316,020 [Application Number 07/192,897] was granted by the patent office on 1991-04-09 for portable electric hammer drill. This patent grant is currently assigned to Makita Electric Works, Ltd.. Invention is credited to Fusao Fushiya, Mikio Saito, Takashi Yamazaki.
United States Patent | D316,020 |
Fushiya , et al. | April 9, 1991 |
Inventors: | Fushiya; Fusao (Anjo, JP), Yamazaki; Takashi (Anjo, JP), Saito; Mikio (Anjo, JP) |
---|---|
Assignee: | Makita Electric Works, Ltd.
(JP) |
Appl. No.: | 07/192,897 |
Filed: | May 12, 1988 |
Dec 22, 1987 [JP] | 62-52251 | |||
Current U.S. Class: | D8/61 |
Field of Search: | ;D8/61,67,68,69,70 ;81/57.11,57.13,57.14,464,DIG.12 ;173/170 ;408/17,138,141,702 |
2944275 | May 1981 | DE | |||
Bosch Hammer Breakers Catalog, 5/1970, p. 3, rotary hammer #201 (catalog in D8 boxes). . Skil Roto-set Hammers catalog, 5/1973, p. 6, top item, model No. 707, (catalog in D8 boxes). . Red Head Philips anchors brochure, 10/1975, one page, model #747, far right (brochure in D8/69). . Kango Electric Hammers catalog, 10/1985, model #422 (Catalog in D8 boxes).. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.