18.8
11/01/1988
RPI 941
The patent was granted on 02/22/1983 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
A. W. (pessoa física)
Inventors
A. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/01/1988
RPI 941
#18.2
09/06/1988
RPI 933
#16.1
02/22/1983
RPI 644
#13.1
12/28/1982
RPI 636
#9.1
08/17/1982
RPI 617
#6.1
02/24/1982
RPI 592
10/20/1981
RPI 574
#18.2
10/23/1990
RPI 1038
Same category
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