Solicitação de exame técnico
#4.1
03/31/1987
RPI 858
Application data
Number
PI8502517Type
Filing
Publication
The patent was granted on 12/31/1991 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
C. F. (pessoa física)
DE
Carl Freudenberg, firma alemã
DE
Inventors
H. J. (pessoa física)
DE
P. A. (pessoa física)
DE
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