Pedido de licença compulsória
#20.1
02/18/1986
RPI 800
The letters patent expired on 12/07/1993: 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: 02/18/1986. We update with every new RPI gazette, published weekly.
Applicants
W. S. (pessoa física)
SP, BR
Inventors
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/18/1986
RPI 800
03/20/1984
RPI 700
01/10/1984
RPI 690
#13.1
05/10/1983
RPI 655
#9.1
11/30/1982
RPI 632
06/29/1982
RPI 610
#6.1
06/22/1982
RPI 609
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.