Cessão de direito de exploração
#22.1
04/02/1985
RPI 754
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: 04/02/1985. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
J. R. (pessoa física)
W. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
04/02/1985
RPI 754
#16.1
10/25/1983
RPI 679
#13.1
08/30/1983
RPI 671
#9.1
04/12/1983
RPI 651
#21.1
07/20/1993
RPI 1181
From the same holder
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