Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 09/21/1993: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
HENKEL & CIE GMBH
Inventors
C. F. (pessoa física)
J. G. (pessoa física)
W. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/04/1987
RPI 854
#9.1
09/30/1986
RPI 832
07/22/1986
RPI 822
#15.11
04/15/1986
RPI 808
#7.1
05/14/1985
RPI 760
03/23/1982
RPI 596
#6.1
12/22/1981
RPI 583
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.