Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 05/02/1995: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
Z. K. (pessoa física)
Inventors
N. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#6.1
02/08/1983
RPI 642
#4.1
06/29/1982
RPI 610
#21.1
05/02/1995
RPI 1274
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.