Radius curve template
Description
FIG. 1 is a top plan view of a radius curve template showing my new design.
FIG. 2 is a side elevational view thereof.
FIG. 3 is an end elevational view thereof.
FIG. 4 is a bottom plan view thereof.
FIG. 5 is an enlarged section view taken on line 5--5 of FIG. 1.
FIG. 6 is a top plan view of a modified form of my new design.
FIG. 7 is a side elevational view thereof.
FIG. 8 is an end elevational view thereof.
FIG. 9 is a bottom plan view thereof.
FIG. 10 is an enlarged section view taken on line 10--10 of FIG. 6.
Referenced Cited
U.S. Patent Documents
Other references
D141882 | July 1945 | Matson |
D166118 | March 1952 | O'Connor |
D167043 | June 1952 | Kintz |
365479 | June 1887 | Latimer |
1604232 | October 1926 | Lipke |
2014190 | September 1935 | Simon |
2478071 | August 1949 | Agrillo |
- Art Brown & Bro., Inc. Catalog, July 1973, p. 144, Large Isomeric Elipses and Civil Engineers. Office Products Dealer, Feb. 1982, p. 132, Template and Lettering Guides. Alvin & Co., Inc. Catalog, p. 21, Arc Lettering Guide. Alvin & Co., Inc. Catalog, p. 35, bottom of page-Ellipse Template.
Patent History
Patent number: D281887
Type: Grant
Filed: May 13, 1983
Date of Patent: Dec 24, 1985
Inventor: Valdis Lapsins (Dayton, OH)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Jacox & Meckstroth
Application Number: 6/494,538
Type: Grant
Filed: May 13, 1983
Date of Patent: Dec 24, 1985
Inventor: Valdis Lapsins (Dayton, OH)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Jacox & Meckstroth
Application Number: 6/494,538
Classifications