Solicitação de exame técnico
#4.1
03/15/1988
RPI 908
Application data
Number
PI8602251Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
P. A. (pessoa física)
DE
Inventors
G. Z. (pessoa física)
DE
H. B. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/15/1988
RPI 908
#3.1
12/22/1987
RPI 896
#2.1
11/18/1986
RPI 839
#21.1
Patente extinta em 19/05/2001
07/22/2008
RPI 1959
#16.1
06/30/1992
RPI 1126
#13.1
01/07/1992
RPI 1101
#9.1
09/03/1991
RPI 1083
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.