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Patent
   D338683
Priority
Jul 06 1990
Filed
Jul 06 1990
Issued
Aug 24 1993
Expiry
Aug 24 2007
Inventors
Erickson, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
9
Maint.:
n/a
The ornamental design for a holding pattern rotary calculator, as shown and described.

FIG. 1 is a top perspective view of a holding pattern rotary calculator showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom view thereof.
INVENTORS:

Erickson, Lynn

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7370790, Aug 19 2005 Apparatus for visualizing and determining holding pattern and entry
D377942, Aug 14 1995 Multi-layer rotary holding pattern entry calculator
D616020, Dec 19 2008 Target Brands, Inc. Transaction card
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3136595,
3500413,
3589327,
3698630,
3835299,
4317404, Mar 24 1980 Musical rhythm pattern generator
201385,
D271382, Sep 11 1981 Circular navigational rule aid
SU509786,
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