Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8500018Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Insituform Holdings Limited
GB
Inventors
E. W. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
04/25/1989
RPI 966
#9.1
12/20/1988
RPI 948
#6.1
07/26/1988
RPI 927
#4.1
09/22/1987
RPI 883
#3.1
08/13/1985
RPI 773
#2.1
04/02/1985
RPI 754
#21.1
Patente extinta em 04/01/2000
07/15/2008
RPI 1958
#20.1
10/04/1994
RPI 1244
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.