Solicitação de exame técnico
#4.1
08/22/1989
RPI 983
Application data
Number
PI8701084Type
Filing
Publication
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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
E. F. (pessoa física)
FR
Neyrpic
FR
Inventors
B. L. (pessoa física)
FR
P. H. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/22/1989
RPI 983
#3.1
12/29/1987
RPI 897
#2.1
06/23/1987
RPI 870
#21.1
Patente extinta em 10/03/2002
07/29/2008
RPI 1960
#16.1
10/30/1990
RPI 1039
#13.1
08/21/1990
RPI 1029
#9.1
05/01/1990
RPI 1016
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.