Carta-patente expirada
#21.1
Patente extinta em 28/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8907210Type
Filing
Publication
PCT
NO1989000123 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
A. S. (pessoa física)
NO
Inventors
K. B. (pessoa física)
NO
IPC Classification
Priority claims
NO
88 5302 · 11/28/1988
NO
89 1194 · 03/17/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/11/2004
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