Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8304714Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Wabco Westinghouse Compagnia Italiana Segnali S.p.A.
IT
Inventors
G. M. (pessoa física)
IT
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
01/24/1989
RPI 953
#9.1
10/04/1988
RPI 937
#15.11
08/02/1988
RPI 928
#6.1
04/12/1988
RPI 912
#4.1
06/02/1987
RPI 867
#3.1
04/09/1985
RPI 755
#2.1
11/01/1983
RPI 680
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G08G 1/095; F21Q 3/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 30/08/98
07/01/2008
RPI 1956
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.