20.4
12/18/1984
RPI 739
The patent was granted on 12/27/1983 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: 12/18/1984. We update with every new RPI gazette, published weekly.
Applicants
DEGUSSA
Inventors
G. B. (pessoa física)
K. L. (pessoa física)
K. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/18/1984
RPI 739
03/20/1984
RPI 700
#16.1
12/27/1983
RPI 688
10/18/1983
RPI 678
06/07/1983
RPI 659
#12.1
09/21/1982
RPI 622
#15.11
09/08/1982
RPI 620
#9.1
06/01/1982
RPI 606
12/01/1981
RPI 580
#18.2
01/28/1992
RPI 1104
From the same holder
Same category
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