Concessão da patente
#16.1
11/26/1985
RPI 788
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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
P. O. (pessoa física)
Inventors
P. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#6.1
10/30/1984
RPI 732
#4.1
03/16/1982
RPI 595
#3.2
12/08/1981
RPI 581
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H02B 1/02.
03/27/2018
RPI 2464
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.