Pedido de licença compulsória
#20.1
03/31/1987
RPI 858
The letters patent expired on 12/26/1995: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
ITW do Brasil Participações Ltda
SP, BR
Inventors
W. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
03/31/1987
RPI 858
#16.1
08/28/1984
RPI 723
#13.1
06/05/1984
RPI 711
#9.1
02/14/1984
RPI 695
#4.1
08/02/1983
RPI 667
#21.1
12/26/1995
RPI 1308
07/09/1991
RPI 1075
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.