Publicação do pedido de patente
#3.1
07/04/1989
RPI 976
Application data
Number
PI8805492Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Ald Vacuum Technologies GMBH
DE
D. A. (pessoa física)
DE
Inventors
F. P. (pessoa física)
DE
P. H. (pessoa física)
DE
R. S. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 37 36 501.0 · 10/28/1987
DE
P3736501.0 · 10/28/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
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07/04/1989
RPI 976
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Patente extinta em 25/10/2008
12/18/2012
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#25.1
Transferido de: Degusa Aktiengesellschaft
11/17/1998
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05/27/1997
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08/27/1996
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