Concessão da patente
#16.1
07/28/1987
RPI 875
The letters patent expired on 03/19/1996: 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
S. V. (pessoa física)
FR
Inventors
O. A. (pessoa física)
R. A. (pessoa física)
T. W. (pessoa física)
W. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/28/1987
RPI 875
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01/06/1987
RPI 846
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12/31/1985
RPI 793
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07/02/1985
RPI 767
#6.1
12/18/1984
RPI 739
#4.1
09/27/1983
RPI 675
#21.1
03/19/1996
RPI 1320
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