Concessão da patente
#16.1
03/26/1985
RPI 753
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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
#13.1
12/26/1984
RPI 740
#9.1
08/28/1984
RPI 723
05/15/1984
RPI 708
#7.1
10/25/1983
RPI 679
#15.11
09/13/1983
RPI 673
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.