Concessão da patente
#16.1
08/29/1989
RPI 984
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: 08/29/1989. 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).
#16.1
08/29/1989
RPI 984
#13.1
01/24/1989
RPI 953
#9.1
10/04/1988
RPI 937
08/09/1988
RPI 929
#6.1
10/13/1987
RPI 886
#7.1
03/11/1986
RPI 803
#4.1
05/29/1984
RPI 710
#3.2
03/27/1984
RPI 701
#2.1
01/10/1984
RPI 690
#21.1
12/07/1993
RPI 1201
#20.1
06/11/1991
RPI 1071
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.