Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8903974Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
R + D Carbon Ltd
CH
Inventors
C. G. (pessoa física)
J. L. (pessoa física)
CH
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
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Procedimento automático de reclassificação. A classificação IPC anterior era F23D 21/00.
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