Root canal screw
Edwardson April 13, 1
U.S. patent number D263,878 [Application Number 06/060,404] was granted by the patent office on 1982-04-13 for root canal screw. This patent grant is currently assigned to AB Dentatus. Invention is credited to Svante R. Edwardson.
| United States Patent | D263,878 |
| Edwardson | April 13, 1982 |
Root canal screw
Claims
The ornamental design for a root canal screw, as shown.
| Inventors: | Edwardson; Svante R. (Solna, SE) |
|---|---|
| Assignee: | AB Dentatus (Hagersten,
SE) |
| Appl. No.: | 06/060,404 |
| Filed: | July 24, 1979 |
| Current U.S. Class: | D24/156; D8/387 |
| Current International Class: | D2402; D0802 |
| Field of Search: | ;433/220,221 ;D8/387 ;85/53 ;411/402,373,371,377 ;D24/7,16 |
References Cited [Referenced By]
U.S. Patent Documents
| 965246 | July 1910 | Stallman |
| 1139028 | May 1915 | Gibson |
| 3524255 | August 1970 | Kurer |
| 3656236 | April 1972 | Kurer |
Other References
|
Design Fasteners Book, Mar. 1963, p. 297, Rapidril, Self Drilling, Tapping Screw.. |
Primary Examiner: Ansher; Bernard
Attorney, Agent or Firm: Young & Thompson
Description
FIG. 1 is an elevational view of a root canal screw showing my new design;
FIG. 2 is elevational view thereof, rotated 135.degree. from the position of FIG. 1; and
FIG. 3 is a top plan view thereof.
* * * * *
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.
| 