14.1
01/05/1988
RPI 898
The letters patent expired on 05/02/1995: 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: 01/05/1988. We update with every new RPI gazette, published weekly.
Applicants
C. D. (pessoa física)
Inventors
D. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/05/1988
RPI 898
#16.1
11/30/1982
RPI 632
#13.1
09/08/1982
RPI 620
#9.1
05/04/1982
RPI 602
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
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