Publicação do pedido de patente
#3.1
10/04/1988
RPI 937
Application data
Number
PI8800774Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
Warr Valves, Inc
US
Inventors
W. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/04/1988
RPI 937
#2.1
05/10/1988
RPI 916
#21.1
Patente extinta em 24/02/2003
09/02/2008
RPI 1965
#16.1
01/26/1993
RPI 1156
#13.1
06/30/1992
RPI 1126
#9.1
02/11/1992
RPI 1106
04/09/1991
RPI 1062
#4.1
04/09/1991
RPI 1062
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.