Combined ruler, calculator and clock

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Description

FIG. 1 is a top and left front perspective view of a combined ruler, calculator and clock showing my new design;

FIG. 2 is a bottom and right rear perspective view thereof;

FIG. 3 is a top-right perspective view thereof with the clock/calculator in a removed and inverted position.

Referenced Cited
U.S. Patent Documents
D201300 June 1965 Seely
D245109 July 19, 1977 Yoshioka
D251252 March 6, 1979 Kamila
D259476 June 9, 1981 Feingold
D264729 June 1, 1982 Kobayashi
D271025 October 18, 1983 Li
D279381 June 25, 1985 Leung
1334145 March 1920 Eaton
4158229 June 12, 1979 Woo
4362393 December 7, 1982 Tissot
Foreign Patent Documents
179601 November 1982 JPX
Other references
  • Hong Kong Enterprises-12/81, p. 38 item #635-Ruler/Pencil Box/Calculator at bottom-center.
Patent History
Patent number: D286161
Type: Grant
Filed: Apr 10, 1984
Date of Patent: Oct 14, 1986
Assignee: Far East United Electronics Limited (Kowloon)
Inventor: Chambers Wong (Kowloon)
Primary Examiner: Nelson C. Holtje
Law Firm: Abelman Frayne Rezac & Schwab
Application Number: 6/598,834