Concessão da patente
#16.1
04/26/1983
RPI 653
The letters patent expired on 07/20/1993: 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: 04/26/1983. We update with every new RPI gazette, published weekly.
Applicants
PIRELLI
Inventors
B. A. (pessoa física)
P. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1983
RPI 653
11/16/1982
RPI 630
#13.1
04/13/1982
RPI 599
#9.1
12/01/1981
RPI 580
#21.1
07/20/1993
RPI 1181
12/29/1992
RPI 1152
From the same holder
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