Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8107427Type
Filing
Publication
The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
NL INDUSTRIES INC [US]
Inventors
F. M. (pessoa física)
M. S. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
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