20.4
06/02/1987
RPI 867
The patent was granted on 10/01/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
S. A. (pessoa física)
Inventors
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/02/1987
RPI 867
#20.1
05/26/1987
RPI 866
#16.1
10/01/1985
RPI 780
#13.1
04/23/1985
RPI 757
03/05/1985
RPI 750
#9.1
01/02/1985
RPI 741
#7.1
12/27/1983
RPI 688
06/28/1983
RPI 662
06/21/1983
RPI 661
#18.2
04/12/1994
RPI 1219
11/03/1992
RPI 1144
#20.1
10/27/1992
RPI 1143
#20.1
10/20/1992
RPI 1142
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