Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 07/20/1993: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
B. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
01/29/1985
RPI 745
#12.2
04/17/1984
RPI 704
#9.2
01/03/1984
RPI 689
#7.1
12/22/1981
RPI 583
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.