Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8501040Type
Filing
Publication
The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Refratarios Paulista Industria e Comercio LTDA.
SP, BR
Inventors
R. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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