Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 11/22/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
HELLERMANN BRASIL [BR]
Inventors
G. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
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02/21/1989
RPI 957
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11/01/1988
RPI 941
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12/22/1987
RPI 896
#3.1
06/03/1986
RPI 815
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01/22/1985
RPI 744
#21.1
11/22/1994
RPI 1251
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