200
04/23/1985
RPI 757
The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.
Talk to a specialistLatest action published by the INPI: 04/23/1985. We update with every new RPI gazette, published weekly.
Applicants
PROMEL PROD METALURGICOS LTD
Inventors
F. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/23/1985
RPI 757
#17.1
11/06/1984
RPI 733
#16.1
09/06/1983
RPI 672
#13.1
03/15/1983
RPI 647
11/03/1982
RPI 628
03/16/1982
RPI 595
Same category
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