Solicitação de exame técnico
#4.1
10/10/1989
RPI 990
Application data
Number
PI8603792Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Carl Freudenberg, firma alemã
DE
Inventors
D. S. (pessoa física)
DE
P. E. (pessoa física)
DE
R. V. (pessoa física)
DE
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