Carta-patente expirada
#21.1
Patente extinta em 05/10/2009
12/26/2012
RPI 2190
Application data
Number
PI8905072Type
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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
Inventors
D. F. (pessoa física)
DE
G. W. (pessoa física)
DE
K. W. (pessoa física)
DE
U. W. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 38 33 953.6 · 10/06/1988
DE
P 38 37 089.1 · 11/01/1988
DE
P 38 40 166.5 · 11/29/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 05/10/2009
12/26/2012
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