U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 30/69 - Threaded


Subclass of Class 30 - Cutlery
Definition: Razors in which the bolt is threaded.
No. of patents: 1
Last issue date: 03/05/1985


NumberTitleIssue Date
4502216Safety razor provided with an articulated head
A safety razor is provided with a handle at one end of which is rigidly connected a head. A pair of movable, facing hooks is disposed at the ends of the head, and the hooks are removably engageable within housings formed in a blade-holder base. The hooks ...
03/05/1985
 
Sign InRegister
Username  
Password   
forgot password?