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

Icon_funbox Bizarre Patents

Patent No. 5871518

Smoking Cessation Lighter and Method

A lighter for tobacco products suppresses the urge to smoke by operant conditioning.

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 340/393.4 - Including timer


Subclass of Class 340 - Communications: electrical
Definition: Subject matter including a timing mechanism for controlling
No. of patents: 9
Last issue date: 06/05/2007


NumberTitleIssue Date
7225753Bell device
A bell device includes a housing having two housing members secured together, and one or more peripherals rib extended into an opening of the housing, a securing device includes a shank engaged in the opening of the housing, and includes a peripheral flange extended...
06/05/2007
4864275Solenoid operated doorbell
Doorbell mechanism that employs only one solenoid to achieve both single tone and double tone operation. The solenoiod has a split coil with the full coil being employed for double tone operation and a portion of the coil being employed for single tone op...
09/05/1989
4792795Electro-mechanical locomotive bell ringing apparatus for quick and easy replacement of existing pneumatic bell ringing systems
An electro-mechanically operated locomotive bell ringing apparatus designed to quickly and easily replace existing air operated bell ringing systems. The bell ringing apparatus is mounted within the bell and the existing bell striker is attached to the ap...
12/20/1988
4358838Electronic timepiece with a time striking device
An electronic timepiece with a time striking device including an electric preliminary signalling means, an electric time striking means, an electric contact means, a time striking selecting means, and a time striking timing circuit in which a timer circui...
11/09/1982
4276625Bell-striking clock
An electronic clock emitting half-hourly time signals corresponding to the strokes of ships' bells comprises an electromagnetic striker driven by a normally blocked astable multivibrator whenever the closure of contacts operated by an associated clockwork...
06/30/1981
4247933Time striking device for timepiece
A time striking device for a timepiece including an electric time striking means, an electric contact means electrically controlling the operation of the time striking means, a time striking selecting cam plate synchronously rotating with a time indicatin...
01/27/1981
4195285Double buzzer assembly
A double buzzer assembly comprises a housing assembly including a main housing body having a parts-receiving opening confronted by a cover removably interlocked with said main body portion and first and second buzzer units mounted in said main body portio...
03/25/1980
4003043Timed buzzer
A timed buzzer assembly having a rectangular base with four terminals insert molded in the base and a generally cup-shaped cover member over the base providing the housing. All of the terminals project through the base member with the armature of the buzz...
01/11/1977
3961327Audible alarm for a synchronous motor
A buzzer arm is attached to a synchronous motor to provide an audible alarm in response to energization of a winding of the motor and the relative position of the buzzer arm to a buzzer anvil extending from the motor....
06/01/1976
 
Sign InRegister
Username  
Password   
forgot password?