Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 07/20/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
A. L. (pessoa física)
Inventors
C. A. (pessoa física)
L. M. (pessoa física)
M. L. (pessoa física)
P. R. (pessoa física)
R. A. (pessoa física)
T. J. (pessoa física)
IPC Classification
Priority claims
FR
76 36 520 · 12/03/1976
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
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11/01/1983
RPI 680
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RPI 675
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#6.1
11/09/1982
RPI 629
12/29/1981
RPI 584
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 99/10; C07C 101/04; C07C 227/26; C07C 229/02; C07C 229/08; C07C 229/36; C07C 231/00; C07C 231/06; C07C 231/12; C07C 231/14; C07C 237/06; C07C 237/20; C07C 239/00; C07C 279/04; C07C 279/14; C07C 313/00; C07C 319/20; C07C 323/58; C07C 323/60; C07D 207/08; C07D 207/09; C07D 209/20; C07D 233/24; C07D 233/26; C07D 233/64; C07C 229/00; C07C 237/00; C07C 279/00; C07C 319/00; C07C 323/00; C07D 207/00; C07D 233/00.
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