Electronic calculating machine

Details Electronic calculating machine Electronic calculating machine

Filed on

1977-09-06

Date issued

1979-03-06

Examiner

Lucas, Susan J.

Patent Class

Printing and office machinery

SubClass

Typewriter or calculator

SubSubClass

Calculator

Other Related Categories

D1801

Type

Patent

Status

active

Patent number

D02512718

Description

REFERENCES:
patent: D229065 (1973-11-01), Maeda et al.
patent: D238951 (1976-02-01), Herr et al.
patent: 3996428 (1976-12-01), Buan et al.
Office Products, Apr., 1974, p. 62, Mod. BC-0808B, Electronic Calculator.
Office Products, May, 1975, p. 70, Eight-Digit Pocket Calculator.

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