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

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

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 368/80 - Hand and dial


Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter wherein the time display consists of a fixed
No. of patents: 284
Last issue date: 01/31/2012


              8  
NumberTitleIssue Date
3998044Electronic timepiece
An electronic timepiece whose minimum dislay changing time interval is relatively long and is on the order of five seconds to two minutes such, as for example, an hour minute display liquid crystal timepiece or a two hand display crystal timepiece. This t...
12/21/1976
3998043Electric timepiece for displaying the operating condition thereof
In a battery operated electric timepiece operated by a battery of the type including a time display, such as a second hand, when the voltage of the battery decreases below a predetermined value, the movement of the second hand is modified to give an alarm...
12/21/1976
3978654Motion transformer
A rotary motion transformer particularly adapted to provide continuous rotary motion to a driven member in response to an intermittently rotated driving member is provided. The driven member and the driving member are oppositely poled magnetic permeable m...
09/07/1976
              8  
 
Sign InRegister
Username  
Password   
forgot password?