U.S. patents available from 1976 to present.
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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 217/60F - Two telescoping arms


Subclass of Class 217 - Wooden receptacles
No. of patents: 4
Last issue date: 06/13/2006


NumberTitleIssue Date
7059084Garage door opener
An automated garage door opener for opening an outwardly swinging door pivotally mounted about a vertical axis. The garage door opener includes a track, a trolley slidably mounted on the track, and at least one push bar having a first end and a second end. The push ...
06/13/2006
5217267Telescopic support arm
A telescopic support arm includes an outside arm and an inside arm which are designed to slide freely each other, the outside arm having a slot and an abutting piece inside thereof, and the inside arm having a slot and rotatable stopping piece inside ther...
06/08/1993
4938520Hold open device for compartment lid
A completely mechanical hold open device for a swingably mounted vehicle closure includes a pair of telescoping members pivotally connected to the closure and vehicle body and a releasable latching means for automatically holding the telescoping members i...
07/03/1990
4925230Hold open device for compartment lid
A completely mechanical hold open device for a swingably mounted vehicle closure includes a pair of telescoping members pivotally connected to the closure and vehicle body and a releasable latching means for automatically holding the telescoping members i...
05/15/1990
 
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