Concessão da patente
#16.1
02/28/1984
RPI 697
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: 02/28/1984. We update with every new RPI gazette, published weekly.
Applicants
Placas do Parana S/A
PR, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1984
RPI 697
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
09/08/1982
RPI 620
07/20/1982
RPI 613
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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