Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 07/26/1994: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
PIRELLI
Inventors
P. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
09/27/1983
RPI 675
#9.1
05/31/1983
RPI 658
01/11/1983
RPI 638
#6.1
09/28/1982
RPI 623
04/13/1982
RPI 599
#4.1
10/20/1981
RPI 574
#21.1
07/26/1994
RPI 1234
11/03/1992
RPI 1144
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Same category
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