Perspective T-square

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a perspective T-square showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
467764 January 1892 Godeffroy
703140 June 1902 Lees
817214 April 1906 Zimmerman
1173341 February 1916 Cottom
2238581 April 1941 De Lisle
Patent History
Patent number: D262195
Type: Grant
Filed: Jan 9, 1980
Date of Patent: Dec 8, 1981
Inventor: Richard I. Koontz (Camp Hill, PA)
Primary Examiner: Nelson C. Holtje
Application Number: 6/110,759
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)
International Classification: D1004;