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Class 238/26 - Metallic


Subclass of Class 238 - Railways: surface track
Definition: except that the longitudinal members are metallic.
No. of patents: 5
Last issue date: 12/04/2007


NumberTitleIssue Date
7304637Puck-based input device with rotation detection
The present invention includes a pointing device having a first surface on which a puck field of motion is defined, a moveable puck, and a position detector. The moveable puck is confined to move on the first surface within the puck field of motion. The position det...
12/04/2007
7289087Current driver and display device
A current driver to which image data including a plurality of grayscale values is input and which outputs an electric current according to the grayscale values of the image data, the current driver comprising: a first input section to which a first reference current...
10/30/2007
5605281Rail support system
A support system for a rail section which bridges the gap between foundations which are relatively movable auxiliary rails running parallel to the rail across the sleepers which are supported by the foundation, and underpinning supports providing a stiff ...
02/25/1997
4795091Adjustable railway fastening
An adjustable railway fastening for securing a bridge girder or cover plate of the girder to a cross-tie on a bridge which includes a resilient clip having a planar body portion with an elongated slotted opening therein for a bolt which is offset with res...
01/03/1989
4687134Railway fastening
A railway fastening, especially adapted for securing a bridge girder or cover plate of the girder to a cross-tie on a bridge, or like supporting structure, is in the form of a resilient clip having a substantially planar body portion with an opening for a...
08/18/1987
 
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