Solicitação de exame técnico
#4.1
02/14/1989
RPI 956
Application data
Number
PI8506565Type
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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Universal Engineering Development Co., Ltd.
US
Inventors
T. M. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/14/1989
RPI 956
11/22/1988
RPI 944
#3.1
02/17/1987
RPI 852
#2.1
03/25/1986
RPI 805
#21.1
Patente extinta em 27/12/2000
07/15/2008
RPI 1958
#16.1
07/27/1993
RPI 1182
#13.1
05/11/1993
RPI 1171
#9.1
01/26/1993
RPI 1156
#6.1
07/23/1991
RPI 1077
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.