Navigation rule
Description
FIG. 1 is a top plan view of a navigational rule showing my new design; and
FIG. 2 is a right side elevational view thereof, the left side elevational view being identical.
Referenced Cited
U.S. Patent Documents
Other references
| 825934 | July 1906 | Pierson |
| 1877341 | September 1932 | Kurtz, Jr. |
| 2420348 | March 1947 | Boriff |
| 2856691 | October 1958 | Pattantyus |
- Yachting, Navigation Plotter, 9/1979, p. 116.
Patent History
Patent number: D313358
Type: Grant
Filed: Mar 21, 1988
Date of Patent: Jan 1, 1991
Inventor: Erik Moller (S-146 00 Tullinge)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Michael, Best & Friedrich
Application Number: 7/170,465
Type: Grant
Filed: Mar 21, 1988
Date of Patent: Jan 1, 1991
Inventor: Erik Moller (S-146 00 Tullinge)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Michael, Best & Friedrich
Application Number: 7/170,465
Classifications
Current U.S. Class:
Angle Or Direction (7) (D10/65);
Geometric (5) (D10/61);
Rule, Tape Or Scale (10) (D10/71)
