Solicitação de exame técnico
#4.1
02/08/1989
RPI 955
The letters patent expired on 10/03/1995: 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: 02/08/1989. We update with every new RPI gazette, published weekly.
Applicants
F. A. (pessoa física)
SP, BR
Inventors
F. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/08/1989
RPI 955
#3.1
01/06/1987
RPI 846
#2.1
08/20/1985
RPI 774
#21.1
10/03/1995
RPI 1296
#16.1
09/25/1990
RPI 1034
#13.1
04/24/1990
RPI 1015
#9.1
01/02/1990
RPI 1000
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.