Concessão da patente
#16.1
02/25/1986
RPI 801
Application data
Number
PI8206513Type
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: 02/25/1986. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
Inventors
D. J. (pessoa física)
IPC Classification
Priority claims
US
238.832 · 02/27/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/25/1986
RPI 801
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RPI 739
#4.1
04/10/1984
RPI 703
#1.3
01/25/1983
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Patente extinta em 12/02/97
07/01/2008
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