Pedido de licença compulsória
#20.1
12/09/1986
RPI 842
Application data
Number
PI8100502Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 12/09/1986. We update with every new RPI gazette, published weekly.
Applicants
Pial Indústria e Comércio Ltda
SP, BR
Inventors
L. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/09/1986
RPI 842
12/09/1986
RPI 842
#20.1
12/02/1986
RPI 841
#16.1
02/26/1985
RPI 749
#13.1
10/23/1984
RPI 731
#9.1
07/10/1984
RPI 716
#6.1
03/13/1984
RPI 699
#4.1
02/16/1983
RPI 643
#3.1
09/28/1982
RPI 623
#21.1
03/19/1996
RPI 1320
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.