Calculator with electronic tube display and keypad

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Description

FIG. 1 is a perspective view of a calculator with electronic tube display and keypad showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawings depict portions of the calculator with electronic tube display and keypad that form no part of the claim.

Claims

The ornamental design for a calculator with electronic tube display and keypad, as shown and described.

Referenced Cited
U.S. Patent Documents
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Other references
  • Early Anita Desktop Calculators—ANITA Mk 8_ (Online) 10 pgs. © 2002. [ Retrieved Sep. 3, 2021] http://www.anita-calculators.info/html/anita_mk_8.html.
  • An Old Inspiration to Arithmetic—Mahdi Al-Husseini. (Online) 4 pgsspring 2019 https://mahdial-husseini.com/AOITA.
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Patent History
Patent number: D942534
Type: Grant
Filed: Oct 19, 2019
Date of Patent: Feb 1, 2022
Inventor: Mahdi Al-Husseini (Douglasville, GA)
Primary Examiner: Marie D. Fast Horse
Application Number: 29/710,049
Classifications
Current U.S. Class: Calculator (3) (D18/6)