Concessão da patente
#16.1
11/30/1982
RPI 632
The letters patent expired on 08/19/2008: 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: 11/30/1982. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/30/1982
RPI 632
#13.1
05/18/1982
RPI 604
#21.1
Patente extinta em 03/04/90
08/19/2008
RPI 1963
#20.1
06/26/1990
RPI 1024
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.