Carta-patente expirada
#21.1
Patente extinta em 15/09/2004
12/22/2009
RPI 2033
Application data
Number
PI8904655Type
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: 12/22/2009. We update with every new RPI gazette, published weekly.
Applicants
G. A. (pessoa física)
DE
Inventors
H. K. (pessoa física)
DE
W. F. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 38 31 474.6 · 09/16/1988
DE
P 39 25 032.6 · 07/28/1989
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Patente extinta em 15/09/2004
12/22/2009
RPI 2033
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