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Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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Class 218/112 - Oil poor breaker


Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein the circuit breaker has an arc-enclosing
No. of patents: 5
Last issue date: 06/19/2001


NumberTitleIssue Date
6249854Data reading method and apparatus for a disk drive storage device
The present invention provides, at a lower cost, a highly reliable data reading method and data reading apparatus that can improve backward sequential reading performance. The disk drive is provided with a magnetic disk and a control section having an HDC...
06/19/2001
4739137High voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures
A high voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures and comprising at least one current-interrupting chamber comprising a sealed insulating enclosure containing a fixed contact inside a blast nozzle and a se...
04/19/1988
4611189Underoil primary circuit breaker
An underoil primary circuit breaker having a fixed contact assembly and a rod contact, a trip-free latch mechanism for moving the rod contact toward and away from the fixed contact, a temperature responsive magnetically controlled trip assembly for releas...
09/09/1986
4604508Electric circuit breaker of the type using an arc quenching fluid with pressure self-generating due to the breakdown of the fluid
In an electric circuit breaker of the type using an arc quenching fluid with pressure self-generating by the breakdown of the fluid due to the same arc, comprising, inside a tightly sealed insulating casing filled with the extinguishing fluid, in particul...
08/05/1986
4009358Electric circuit-breaker for alternating currents
A current-interrupting chamber containing stationary and moving contacts is filled with a dielectric consisting of SF6 gas maintained in the liquefied state under a pressure of considerably higher value than the critical pressure. An arc-quench...
02/22/1977
 
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