20.4
07/10/1984
RPI 716
The patent was granted on 02/28/1984 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: 07/10/1984. We update with every new RPI gazette, published weekly.
Applicants
DEGUSSA
Inventors
K. E. (pessoa física)
K. A. (pessoa física)
N. P. (pessoa física)
T. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/10/1984
RPI 716
#16.1
02/28/1984
RPI 697
#13.1
11/29/1983
RPI 684
#9.1
08/09/1983
RPI 668
05/18/1982
RPI 604
#6.1
03/23/1982
RPI 596
#18.2
01/28/1992
RPI 1104
From the same holder
Same category
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