Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8707481Type
Filing
Publication
PCT
SE1987000438 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
T. E. (pessoa física)
SE
Inventors
B. J. (pessoa física)
SE
L. K. (pessoa física)
SE
O. A. (pessoa física)
SE
S. J. (pessoa física)
SE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
#1.3
12/06/1988
RPI 946
#21.1
Patente extinta em 28/09/2002
07/29/2008
RPI 1960
#16.1
06/28/1994
RPI 1230
#9.1
12/07/1993
RPI 1201
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.