Concessão da patente
#16.1
05/30/1989
RPI 971
The letters patent expired on 05/09/1995: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
IND DE CONCRETO SAO PAULO S A [BR]
Inventors
V. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#13.1
12/06/1988
RPI 946
#9.1
08/09/1988
RPI 929
#6.1
12/08/1987
RPI 894
#4.1
01/07/1986
RPI 794
#3.2
09/24/1985
RPI 779
#2.1
04/09/1985
RPI 755
#21.1
05/09/1995
RPI 1275
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.