Pedido de licença compulsória
#20.1
11/21/1989
RPI 996
The letters patent expired on 01/31/1995: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
W. E. (pessoa física)
SP, BR
Inventors
W. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/21/1989
RPI 996
#16.1
02/28/1989
RPI 958
#13.1
10/25/1988
RPI 940
#9.1
06/28/1988
RPI 923
#15.11
12/22/1987
RPI 896
#6.1
12/08/1987
RPI 894
#4.1
09/30/1986
RPI 832
#3.1
06/24/1986
RPI 818
#2.1
03/19/1985
RPI 752
#21.1
01/31/1995
RPI 1261
From the same holder
Same category
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