Pedido de licença compulsória
#20.1
11/12/1985
RPI 786
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: 11/12/1985. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/12/1985
RPI 786
#16.1
09/25/1984
RPI 727
#13.1
06/05/1984
RPI 711
#9.1
02/14/1984
RPI 695
#6.1
08/30/1983
RPI 671
#4.1
04/06/1982
RPI 598
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.