Concessão da patente
#16.1
10/01/1985
RPI 780
Application data
Number
PI8203485Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
F. K. (pessoa física)
DE
Inventors
W. K. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 31 23 638.3 · 06/15/1981
DE
P 31 23 706.1 · 06/15/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 14/06/97
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