Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 11/07/1995: 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
R. U. (pessoa física)
SP, BR
Inventors
R. U. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
05/02/1989
RPI 967
#9.1
12/27/1988
RPI 949
#6.1
08/16/1988
RPI 930
#4.1
08/05/1986
RPI 824
#3.2
03/11/1986
RPI 803
#2.1
11/26/1985
RPI 788
#21.1
11/07/1995
RPI 1301
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.