Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Hansen Industrial
SC, BR
Inventors
C. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
10/25/1988
RPI 940
#9.1
06/21/1988
RPI 922
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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