Keyboard-equipped arithmetic operation control machine for electronic computers

Description

FIG. 1 is a front, top and right side perspective view of a keyboard-equipped arithmetic operation control machine 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 left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Claims

The ornamental design for a keyboard-equipped arithmetic operation control machine for electronic computers, substantially as shown and described.

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Inventors:	Shibata; Mikio (Yokohama, JP)
Assignee:	Tokyo Shibaura Denki Kabushiki Kaisha (JP)
Appl. No.:	06/357,857
Filed:	March 15, 1982

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Foreign Application Priority Data

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Sep 19, 1981 [JP]			56-41250

Current U.S. Class:	D14/334; D18/7
Field of Search:	;D14/100-117 ;D18/7,12 ;340/365R,700,711 ;364/708,709

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References Cited [Referenced By]

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U.S. Patent Documents

D253947	January 1980	Bellini
D257146	September 1980	Valestin

Other References

SORD M23 shown in Catalogue of SORD Handy Business Computer M20/23; issued on Aug. 20, 1981. . Catalogue of Fujitsu Micro 8; issued in Jul., 1981, Fujitsu Limited. . PC-8001 shown in Catalogue of NEC Personal Computer PC-8000 Series, issued in Aug., 1981. . ATARI 800; "ASCII", Jan., 1980, pp. 121-123. . TI-99/4 of Texas Instruments, Inc. "ASCII", Mar., 1980, pp. 121-123. . BUBCOM 80 of Systems Formulate Co., Ltd.; "ASCII", Aug., 1981. . TRS-80 Model 1 of Tandy; "ASCII", Aug., 1981. . SORD M23 of SORD Computer Systems Co., Ltd. "ASCII", Aug., 1981. . VIC-1001 of Commodore Japan Limited; "ASCII", Aug., 1981. . MB-6890 of Hitachi Sales Corporation; "ASCII", Aug., 1981. . SORD M23 of SORD Computer Systems Co., Ltd. in Catalogue of SORD M20/23. . IBM Personal Computer; "ASCII", Oct., 1981, p. 145; although the magazine mentions Oct., 1981 as its month of issue which is after the priority date of the basic Japanese application, it is stated in the article On Aug. 12, 1981, IBM Corporation has announced a new type of personal computer. The inventor of this U.S. application knew this announcement before filing of the Japanese application. . IBM Personal Computer; Electronic News, Aug. 17, 1981. . IBM Personal Computer; "ASCII", Dec., 1981. . Swedish Des. Gazette, M ans nr 79-1577 Designers: Takashi Hirata et al., Proprietor: Canon, Inc. . U.S. Des. Pat. No. 247,239 Gazette, Feb. 14, 1978 Title of the Article: Keyboard Inventors: Charles Paul Baechtle et al..

Primary Examiner: Lucas; Susan J.
Attorney, Agent or Firm: Finnegan, Henderson, Farabow, Garrett & Dunner