Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 04/18/1995: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
H. R. (pessoa física)
Inventors
R. H. (pessoa física)
IPC Classification
Priority claims
DE
G 78 20 267.2 · 07/06/1978
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