Solicitação de exame técnico
#4.1
04/05/1988
RPI 911
Application data
Number
PI8503574Type
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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
J. H. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/05/1988
RPI 911
#3.1
04/29/1986
RPI 810
#2.1
09/24/1985
RPI 779
#21.1
Patente extinta em 29/07/2000
07/15/2008
RPI 1958
#15.11
06/18/1991
RPI 1072
#16.1
05/28/1991
RPI 1069
#13.1
02/13/1991
RPI 1054
#9.1
10/30/1990
RPI 1039
01/02/1990
RPI 1000
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.