U.S. federal trademark · Serial No. 75304630 · Reg. No. 2320038
Electrical and scientific apparatus that use chemical compounds for maintaining low or extremely low-pressure vacuums, namely, electrical and scientific apparatus that use evaporable chemical vacuum pumps, namely, cathode ray tubes for television sets and computer monitors; and non-evaporable chemical vacuum pumps in evacuated electron display devices, namely, flat panel displays, plasma displays; non-evaporable chemical vacuum pump in evacuated chemical vacuum pumps in evacuated electron display devices in combination with the photo-sensitive surfaces of X-ray image intensifiers and in night vision devices; modules which are used in the manufacture of evacuated electron tubes; and in apparatuses for handling pure gas for making semi-conductors; and getters used to maintain vacuum in particle accelerators; and gas analyzers adapted for measuring gas purity
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