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

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

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 400/256 - Actuated by toggle-linkage


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the case-shift* mechanism
No. of patents: 1
Last issue date: 09/27/1977


NumberTitleIssue Date
4050567Shift mechanism for typewriter
A shift mechanism for typewriters has the capability of moving the carriage and a platen supported thereby from a first position to a second or third position along a longitudinal path on opposite sides of the first position. The first position is the nor...
09/27/1977
 
Sign InRegister
Username  
Password   
forgot password?