Calculator for spiral bound/ring binder notebook organizer
Description
FIG. 1 is a front and right side perspective view of a calculator for spiral bound/ring binder notebook organizer showing my new design; and,
FIG. 2 is a rear and left side perspective view.
Referenced Cited
Other references
- Hong Kong Enterprise, Nov. 1987; p. 114 Notebook Calculator. Mail Order brochure for Signatures; .COPYRGT.1989; Notebook Calculator.
Patent History
Patent number: D350971
Type: Grant
Filed: Dec 7, 1992
Date of Patent: Sep 27, 1994
Inventor: Katrina A. Lassberg (Houston, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Application Number: 0/2,289
Type: Grant
Filed: Dec 7, 1992
Date of Patent: Sep 27, 1994
Inventor: Katrina A. Lassberg (Houston, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Application Number: 0/2,289
Classifications
