Pedido de licença compulsória
#20.1
12/29/1987
RPI 897
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Oxytech Systems, Inc.
US
Inventors
P. D. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/29/1987
RPI 897
#16.1
10/27/1987
RPI 888
#13.1
08/11/1987
RPI 877
#9.1
03/31/1987
RPI 858
#6.1
05/13/1986
RPI 812
#6.1
07/02/1985
RPI 767
#6.1
01/31/1984
RPI 693
09/27/1983
RPI 675
#4.1
08/09/1983
RPI 668
#21.1
03/19/1996
RPI 1320
From the same holder
Same category
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