Publicação do pedido de patente
#3.1
04/18/1989
RPI 965
Application data
Number
PI8804640Type
Filing
Publication
The patent was granted on 04/27/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Filterwerk Mann & Hummel Gmbh
DE
Inventors
F. Z. (pessoa física)
DE
G. W. (pessoa física)
DE
H. E. (pessoa física)
DE
M. W. (pessoa física)
DE
R. N. (pessoa física)
DE
IPC Classification
Priority claims
DE
P37296671 · 09/04/1987
DE
P37354124 · 10/20/1987
DE
P38211432 · 06/23/1988
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