Concessão da patente
#16.1
08/30/1983
RPI 671
The letters patent expired on 11/30/1993: 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
C. R. (pessoa física)
K. M. (pessoa física)
Z. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
#6.1
06/29/1982
RPI 610
12/22/1981
RPI 583
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.