Concessão da patente
#16.1
10/29/1986
RPI 836
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: 10/29/1986. 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
10/29/1986
RPI 836
#13.1
06/24/1986
RPI 818
#9.1
02/12/1986
RPI 799
06/11/1985
RPI 764
#6.1
06/11/1985
RPI 764
04/09/1985
RPI 755
#4.1
08/02/1983
RPI 667
#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.