Pedido de patente depositado
#2.1
01/17/1989
RPI 952
Application data
Number
PI8804231Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 01/17/1989. We update with every new RPI gazette, published weekly.
Applicants
R. A. (pessoa física)
DE
R. A. (pessoa física)
DE
Inventors
B. N. (pessoa física)
DE
R. D. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 38 17 941.5 · 05/27/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
01/17/1989
RPI 952
#21.1
Patente extinta em 19/08/2003
09/02/2008
RPI 1965
#16.1
02/04/1997
RPI 1366
#13.1
07/16/1996
RPI 1337
#9.1
02/06/1996
RPI 1314
02/09/1993
RPI 1158
#4.1
03/19/1991
RPI 1059
#3.1
04/10/1990
RPI 1013
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.