Pedido de patente depositado
#2.1
05/16/1989
RPI 969
Application data
Number
PI8901354Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 05/16/1989. We update with every new RPI gazette, published weekly.
Applicants
Chainings Limited
GB
Inventors
D. V. (pessoa física)
GB
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/16/1989
RPI 969
#21.1
Patente extinta em 22/03/2004
12/15/2009
RPI 2032
#16.1
02/27/1996
RPI 1317
#13.1
11/28/1995
RPI 1304
#9.1
07/18/1995
RPI 1285
#7.1
01/24/1995
RPI 1260
#4.1
10/13/1992
RPI 1141
#3.1
10/23/1990
RPI 1038
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.