Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 08/19/2008: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
L. C. (pessoa física)
US
Inventors
P. W. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
06/28/1983
RPI 662
#9.1
03/08/1983
RPI 646
#6.1
01/26/1982
RPI 588
#21.1
Patente extinta em 16/06/93
08/19/2008
RPI 1963
From the same holder
Same category
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