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

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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Class 313/588 - Amplifier, cathanode, or ionic cathode


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter which includes, (1) a cathode and an anode
No. of patents: 8
Last issue date: 09/25/2007


NumberTitleIssue Date
7274146Electrode structure of a plasma display panel
An AC plasma display panel. A front substrate is opposite a rear substrate, and a plurality of ribs are interposed therebetween, defining a plurality of sub-pixels. The front substrate has a plurality of sustain electrodes extending along a first direction. Each of ...
09/25/2007
7145612Display device comprising plasma discharge switching element with three electrodes
A switching element includes a first electrode 1 and a second electrode 2 provided apart from each other so as to run a discharge current between them, and a third electrode 3 configured to be capable of changing the difference in potential from...
12/05/2006
7106124Field emission RF amplifier
A field emission RF amplifier. The field emission RF amplifier includes one or more RF amplification units on a substrate and held in a vacuum state and facing a reflection electrode. The RF amplification unit includes a cathode electrode, gate electrode, and an ano...
09/12/2006
6531821Gas discharge tube
While high heat is generated in the anode section in the gas discharge tube in accordance with the present invention during its use, the heat is transmitted to the stem by way of the anode support plate due to a configuration in which the anode support pl...
03/11/2003
5619101Gas discharge tube
A gas discharge tube includes an envelope for sealing a gas, lead pins and a light-emitting assembly. The light-emitting assembly includes: a focusing electrode support member of a conductive material; a hot cathode for emitting thermoelectrons; an anode ...
04/08/1997
5523646An arc chamber assembly for use in an ionization source
An Arc Chamber Assembly for use in an Ionization Source for dissociating to a desired ion form an element or compound of a material and ionizing such element or compound to provide a beam of charged particles. The chamber is enclosed within a structure ha...
06/04/1996
4282436Intense ion beam generation with an inverse reflex tetrode (IRT)
An inverse reflex tetrode (IRT) for producing an intense pulsed beam of i includes a real cathode having a curved or conical surface which is substantially transparent to the ions; first anode and second anode, or grid, which are spaced apart and are at ...
08/04/1981
3999094Cathodoluminescent gas discharge device with improved modulation characteristics
A cathodoluminescent gas discharge device having improved modulation characteristics whereby an electron beam generated by the device is more easily modulated by a small control voltage. The improved gas discharge device includes a cathode for generating ...
12/21/1976
 
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