Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8201590Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
R. A. (pessoa física)
FR
Inventors
A. M. (pessoa física)
FR
IPC Classification
Priority claims
FR
81.05798 · 03/20/1981
FR
82.02020 · 02/05/1982
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RPI 997
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Patente extinta em 22/03/97
07/01/2008
RPI 1956
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