Pedido de licença voluntária
#17.1
10/24/1989
RPI 992
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
POLIMIX CONCRETO S A [BR]
Inventors
V. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#17.1
10/24/1989
RPI 992
#16.1
11/29/1988
RPI 945
#13.1
08/30/1988
RPI 932
06/28/1988
RPI 923
#12.1
11/24/1987
RPI 892
#9.1
07/21/1987
RPI 874
#6.1
01/13/1987
RPI 847
#4.1
04/01/1986
RPI 806
#3.1
09/10/1985
RPI 777
#2.1
05/08/1984
RPI 707
#21.1
Patente extinta em 03/02/94
08/19/2008
RPI 1963
06/22/1993
RPI 1177
10/09/1990
RPI 1036
#18.2
09/18/1990
RPI 1033
05/29/1990
RPI 1020
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.