Carta-patente expirada
#21.1
Patente extinta em 07/12/2002
07/29/2008
RPI 1960
Application data
Number
PI8707961Type
Filing
Publication
PCT
US1987003215 The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
G. D. (pessoa física)
IT
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/12/2002
07/29/2008
RPI 1960
#16.1
05/25/1993
RPI 1173
#13.1
03/02/1993
RPI 1161
#9.1
10/06/1992
RPI 1140
#4.1
08/07/1990
RPI 1027
#4.2
05/01/1990
RPI 1016
#1.3
02/13/1990
RPI 1006
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.