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...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 266/174 - With safety device


Subclass of Class 266 - Metallurgical apparatus
Definition: Device having means a) to prevent a dangerous or potentially
No. of patents: 1
Last issue date: 10/11/2011


NumberTitleIssue Date
8034284Bleeder valve for pressurized furnace
A shaft furnace bleeder valve for controlling a gas outflow from the interior of a pressurized furnace to the ambient atmosphere through an exhaust conduit is proposed. The bleeder valve comprises a valve seat associated with the exhaust conduit, a movable closure m...
10/11/2011
 
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