Pedido de licença compulsória
#20.1
08/08/1989
RPI 981
Application data
Number
PI8106530Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
PIRELLI [IT]
Inventors
G. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/08/1989
RPI 981
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08/28/1984
RPI 723
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06/12/1984
RPI 712
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02/28/1984
RPI 697
#4.1
06/15/1982
RPI 608
#3.2
03/16/1982
RPI 595
#2.1
11/24/1981
RPI 579
#21.1
Patente extinta em 09/10/96
08/19/2008
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