20.4
02/21/1989
RPI 957
The patent was granted on 03/27/1984 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
N. U. (pessoa física)
Inventors
N. U. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/21/1989
RPI 957
02/21/1989
RPI 957
#20.1
10/23/1984
RPI 731
#16.1
03/27/1984
RPI 701
#13.1
01/03/1984
RPI 689
#9.1
09/20/1983
RPI 674
05/24/1983
RPI 657
#6.1
07/06/1982
RPI 611
#18.2
09/25/1990
RPI 1034
From the same holder
Same category
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