Solicitação de exame técnico
#4.1
06/28/1988
RPI 923
Application data
Number
PI8507005Type
Filing
Publication
PCT
US1985001738 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
L. K. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/28/1988
RPI 923
#1.3
01/06/1987
RPI 846
#21.1
Patente extinta em 13/09/2000
07/15/2008
RPI 1958
#16.1
06/30/1992
RPI 1126
#13.1
01/14/1992
RPI 1102
#9.1
09/10/1991
RPI 1084
#6.1
04/02/1991
RPI 1061
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.