Concessão da patente
#16.1
07/30/1985
RPI 771
The letters patent expired on 05/02/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
RUHRKOHLE AG
Inventors
D. H. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
05/28/1985
RPI 762
#15.11
04/23/1985
RPI 757
#9.1
02/12/1985
RPI 747
#6.1
02/07/1984
RPI 694
#6.1
08/09/1983
RPI 668
01/18/1983
RPI 639
#4.1
07/27/1982
RPI 614
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
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