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
A. E. (pessoa física)
G. U. (pessoa física)
K. W. (pessoa física)
L. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
05/07/1985
RPI 759
#9.1
01/15/1985
RPI 743
#6.1
05/22/1984
RPI 709
#4.1
08/03/1982
RPI 615
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.