20.4
05/29/1984
RPI 710
The patent was granted on 10/25/1983 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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
DEGUSSA
Inventors
B. H. (pessoa física)
F. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/29/1984
RPI 710
#16.1
10/25/1983
RPI 679
#13.1
08/30/1983
RPI 671
04/12/1983
RPI 651
#6.1
07/13/1982
RPI 612
#18.2
09/18/1990
RPI 1033
From the same holder
Same category
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