Concessão da patente
#16.1
08/28/1984
RPI 723
The letters patent expired on 04/25/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
B. W. (pessoa física)
Inventors
F. O. (pessoa física)
H. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
06/12/1984
RPI 712
#15.11
05/02/1984
RPI 706
#9.1
02/28/1984
RPI 697
#15.11
01/10/1984
RPI 690
#6.1
09/20/1983
RPI 674
#4.1
04/05/1983
RPI 650
#21.1
04/25/1995
RPI 1273
10/27/1992
RPI 1143
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.