Concessão da patente
#16.1
09/29/1987
RPI 884
Application data
Number
PI8105532Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
KRUPP-KOPPERS GMBH
DE
Inventors
D. F. (pessoa física)
DE
D. Z. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#9.1
03/31/1987
RPI 858
#15.11
01/14/1986
RPI 795
#6.1
10/22/1985
RPI 783
#4.1
03/12/1985
RPI 751
#3.1
04/05/1983
RPI 650
#2.1
10/13/1981
RPI 573
#21.1
Patente extinta em 31/08/96
08/19/2008
RPI 1963
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.