Carta-patente expirada
#21.1
Patente extinta em 19/03/2002
07/29/2008
RPI 1960
Application data
Number
PI8707976Type
Filing
Publication
PCT
DE1987000123 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
S. A. (pessoa física)
DE
Inventors
A. L. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 19/03/2002
07/29/2008
RPI 1960
#16.1
04/27/1993
RPI 1169
#13.1
12/29/1992
RPI 1152
#9.1
08/25/1992
RPI 1134
#4.1
10/16/1990
RPI 1037
#1.3
03/20/1990
RPI 1010
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.