Concessão da patente
#16.1
02/22/1983
RPI 644
The letters patent expired on 05/31/1994: 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: 02/22/1983. We update with every new RPI gazette, published weekly.
Applicants
RCA CORP
Inventors
H. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/22/1983
RPI 644
#13.1
11/30/1982
RPI 632
#9.1
07/13/1982
RPI 612
#21.1
05/31/1994
RPI 1226
#20.1
05/29/1990
RPI 1020
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