U.S. patents available from 1976 to present.
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Icon_funbox Did You Know...

...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 400/673 - Coin-controlled lock (e.g., responsive to print-lines, time, etc.)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the preventing means is made ineffective
No. of patents: 1
Last issue date: 11/23/1982


NumberTitleIssue Date
4359939Printing device
Herein disclosed is such a printing device to be used with a hand labeler or the like that is enabled to prevent a printing medium, such as labels or tags, from being thinly printed and so that averaged clean prints may be made at all times. The printing ...
11/23/1982
 
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