Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904644Type
Filing
Publication
The letters patent expired on 12/26/2012: 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
E. M. (pessoa física)
DE
Inventors
H. S. (pessoa física)
DE
IPC Classification
Priority claims
DE
P3836328.3 · 10/25/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 15/09/2009
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