Trademark Overview
On Wednesday, October 6, 1976, a trademark application was filed for PHI with the United States Patent and Trademark Office. The USPTO has given the PHI trademark a serial number of 73102313. The federal status of this trademark filing is EXPIRED as of Monday, April 12, 1999. This trademark is owned by PHYSICAL ELECTRONICS INDUSTRIES, INC.. The PHI trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
ELECTRON ENERGY ANALYZERS FOR MEASURING ENERGY ELECTRONS EMITTED FROM SAMPLES-NAMELY, ELECTRON OPTICS UNITS UTILIZED IN VACUUM CONSOLES OF RESEARCH LABORATORY SPECTROMETERS, AND PARTS THEREFOR: SPECIMEN HOLDING AND POSITIONING APPARATUS; ELECTRON GUNS; ION GUNS; VACUUM CONSOLES; ELECTRONIC SCANNERS; SPUTTER ETCHING APPARATUS;SPECIMEN HEATERS AND CONTROLS THEREFOR: SPECIMEN MANIPULATORS; OPTICAL MICROSCOPES; MULTIPLEX CONTROLS; SPECICAL MICROSCOPES; MULTIPLEX CONTROLS; SPECIMEN FRACTURE APPARATUS; PHOTOEMISSION ENERGY ANALYZERS AND CONTROLS THEREFOR: LINEAR MOTION APPARATUS FOR REPOSITIONING ANALYZING EQUIPMENT WITHIN A VACUUM CHAMBER; X-RAY GENERATORS; LOW ENERGY ELECTRON DETECTION OPTICS AND CONTROLS THEREFOR: SCANNING AUGER MICROPROBES; SECONDARY ION MASS SPECTROMETERS; AND CHARTS, GRAPHS, AND HANDBOOK, FOR USE IN AUGER ELECTRON SPECTROSCOPY, AND SOLD AS A UNIT WITH THE ABOVE EQUIPMENT