14.7
08/15/1989
RPI 982
Application data
Number
PI8202185Type
Filing
Publication
The patent was granted on 01/09/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
General Refractories Company
US
Inventors
F. J. (pessoa física)
US
H. A. (pessoa física)
US
S. B. (pessoa física)
US
IPC Classification
Priority claims
US
254.777 · 04/16/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
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