Pedido de patente depositado
#2.1
07/18/1989
RPI 978
Application data
Number
PI8902720Type
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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
R. K. (pessoa física)
DE
Inventors
E. R. (pessoa física)
IPC Classification
Priority claims
DE
P3819598.4 · 06/09/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/18/1989
RPI 978
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Patente extinta em 08/06/2004
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