Concessão da patente
#16.1
09/25/1984
RPI 727
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: 09/25/1984. 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
09/25/1984
RPI 727
#13.1
06/12/1984
RPI 712
03/27/1984
RPI 701
03/20/1984
RPI 700
08/16/1983
RPI 669
#12.2
02/22/1983
RPI 644
#9.2
11/09/1982
RPI 629
#7.1
06/08/1982
RPI 607
#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.