Publicação do pedido de patente
#3.1
03/21/1989
RPI 961
Application data
Number
PI8804316Type
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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
W. H. (pessoa física)
DE
Inventors
W. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/21/1989
RPI 961
#2.1
02/14/1989
RPI 956
#21.1
Patente extinta em 24/08/2003
09/02/2008
RPI 1965
#16.1
08/31/1993
RPI 1187
#13.1
06/29/1993
RPI 1178
#9.1
03/09/1993
RPI 1162
#4.1
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.