Concessão da patente
#16.1
10/24/1989
RPI 992
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
P. F. (pessoa física)
RS, BR
Inventors
P. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
06/06/1989
RPI 972
#9.1
02/08/1989
RPI 955
#15.11
01/10/1989
RPI 951
#15.11
09/27/1988
RPI 936
#6.1
08/30/1988
RPI 932
#4.1
04/22/1987
RPI 861
#3.2
02/17/1987
RPI 852
#2.1
12/31/1985
RPI 793
#21.1
11/07/1995
RPI 1301
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.