Concessão da patente
#16.1
04/25/1989
RPI 966
The letters patent expired on 12/07/1993: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
SPUMA PAC CIA BRASILEIRA DE EM [BR]
Inventors
L. D. (pessoa física)
L. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/25/1989
RPI 966
01/31/1989
RPI 954
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RPI 894
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12/07/1993
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