U.S. patents available from 1976 to present.
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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 188/79 - Multiple sets


Subclass of Class 188 - Brakes
Definition: Multiple sets of expanding brakes arranged serially or in
No. of patents: 6
Last issue date: 02/27/2007


NumberTitleIssue Date
7182182Drum brake and brake shoe for one such brake
A drum brake comprising a plate on which at least one shoe having a friction lining is mounted. A lever moves the shoe against a wheel drum in response to a braking command to effect a brake application. A resilient return spaces the shoe apart from the drum when br...
02/27/2007
7077249Drum brakes with interconnected multi-degrees-of-freedom shoes
This invention is a new type of drum brake and its variants for motor vehicles, the shoe mechanism assembly of which has at least one set of interconnected shoe mechanism and automatic adjusting mechanism of brake clearance. The interconnected shoe mechanism consist...
07/18/2006
6622833Drum brake system
The invention relates to a drum brake device (10), which is provided as a wheel brake for a motor vehicle. The invention proposes embodying the drum brake device (10) with a brake belt (14), which is disposed inside a brake drum (12) and can flex in the r...
09/23/2003
4562421Brake wear sensor
Drum brake wear sensor system which senses brake wear and lights a warning light when lining wear reaches a predetermined amount....
12/31/1985
4350230Drum brakes for vehicles
A drum brake is disclosed in which at least two, and preferably four, friction pad assemblies are symmetrically arranged with respect to the drum. The pad assemblies are slidably guided for movement towards and away from the drum in a substantially radial...
09/21/1982
4014409Multi-brake shoe means for a multi-braking surface braked assembly
This invention relates to a braking apparatus wherein the heat absorbing mass of a rotating braked element, such as a vehicle wheel, is increased by securing to such as each wheel of a vehicle, a brake drum, the peripheries of the wheels and drums constit...
03/29/1977
 
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