Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8504818Type
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
Ecolab Inc
US
Inventors
E. S. (pessoa física)
US
S. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
11/17/1987
RPI 891
11/17/1987
RPI 891
#3.1
07/22/1986
RPI 822
#2.1
12/10/1985
RPI 790
#21.1
Patente extinta em 30/09/2000
07/15/2008
RPI 1958
#16.1
03/30/1993
RPI 1165
#13.1
01/12/1993
RPI 1154
#9.1
08/04/1992
RPI 1131
#6.1
06/11/1991
RPI 1071
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.