Pedido de patente depositado
#2.1
07/11/1989
RPI 977
Application data
Number
PI8902447Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
I. B. (pessoa física)
SP, BR
Inventors
I. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/11/1989
RPI 977
#21.1
Patente extinta em 27/04/2004
12/22/2009
RPI 2033
#16.1
06/27/1995
RPI 1282
#13.1
12/20/1994
RPI 1255
#9.1
08/23/1994
RPI 1238
#4.1
01/15/1991
RPI 1050
#3.1
11/13/1990
RPI 1041
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.