Memory unit cartridge for electronic computers

Description

FIG. 1 is a front, top and right side perspective view of a memory unit cartridge for electronic computers showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view looking from the right of FIG. 2, the opposite side being a mirror image;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3372310 March 1968 Kantor
4028538 June 7, 1977 Olander, Jr. et al.
4095791 June 20, 1978 Smith et al.
4149027 April 10, 1979 Asher et al.
Other references
  • Electric Wave Science, 4-1-81, p. 73, Commodore Rampack. Plug-in ROM Module 92 shown in U.S. Pat. No. 3,859,635 Watson et al., Jan. 7, 1975. Atari Basic ROM Package CXL4002; "ASCII", 1980, a cover page and p. 125. `Fanac Bubble Cassette` of Fujitsu Fanac Limited; Nikkei Industrial News, Jul. 23, 1980. Catalogue of Casio Memory Packages, (ROM Package E-4K, RAM Package D-16K, and RAM Package C-4K) as of May 1, 1981.
Patent History
Patent number: D277189
Type: Grant
Filed: Mar 15, 1982
Date of Patent: Jan 15, 1985
Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki)
Inventor: Mikio Shibata (Yokohama)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/357,860
Classifications
Current U.S. Class: D14/114