20.7
11/11/1986
RPI 838
The patent was granted on 05/29/1984 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: 11/11/1986. We update with every new RPI gazette, published weekly.
Applicants
I. L. (pessoa física)
Inventors
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/11/1986
RPI 838
11/04/1986
RPI 837
10/15/1985
RPI 782
10/08/1985
RPI 781
09/25/1984
RPI 727
#16.1
05/29/1984
RPI 710
#13.1
09/21/1982
RPI 622
#9.1
06/01/1982
RPI 606
#18.2
01/28/1992
RPI 1104
Same category
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