Concessão da patente
#16.1
11/25/1986
RPI 840
The letters patent expired on 11/15/1994: 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: 11/25/1986. We update with every new RPI gazette, published weekly.
Applicants
PILOT PEN DO BRASIL S A IND E [BR]
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/25/1986
RPI 840
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09/02/1986
RPI 828
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04/29/1986
RPI 810
#4.1
09/04/1984
RPI 724
#3.1
05/15/1984
RPI 708
#2.1
12/07/1982
RPI 633
#21.1
11/15/1994
RPI 1250
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