Multi-layer rotary holding pattern entry calculator

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Description

FIG. 1 is a top plan view of a multi-layer rotary holding pattern entry calculator showing my new design;

FIG. 2 is a bottom view thereof; and

FIG. 3 is a left hand side view thereof; and,

FIG. 4 is a right hand side view thereof.

Referenced Cited
U.S. Patent Documents
D338683 August 24, 1993 Erickson
2423764 July 1947 Flitton
2996242 August 1961 Bannister
3100601 August 1963 Shapiro
3126151 March 1964 Barry
3220644 November 1965 Gaudio
3368749 February 1968 Pelletier, Jr.
3432927 March 1969 Springer
3835299 September 1974 Turney
5214855 June 1, 1993 Gibbs
Patent History
Patent number: D377942
Type: Grant
Filed: Aug 14, 1995
Date of Patent: Feb 11, 1997
Inventor: John K. McCloy (N. Hollywood, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Attorney: Roger A. Marrs
Application Number: 0/42,584
Classifications
Current U.S. Class: Rotary (D18/10); Angle Or Direction (7) (D10/65)