Anuidade - prazo legal encerrado
#18.2
06/21/1988
RPI 922
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Official data from INPI
PROCESSO DE OBTENCAO DE 4,4'-BIS-(DIALQUILAMINOFENIL)-METANOS
Em AnáliseInvention Patent
Application data
Number
PI8103522Type
Invention Patent
Filing
06/03/1981
Publication
01/11/1983
Progress at the INPI
- Filing06/03/81
- Publication01/11/83
- Examination07/05/83
- Allowance10/23/84
- Grant04/30/85
- Terminated06/21/88
The patent was granted on 04/30/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
INST PESQUISAS MARINHA [BR]
Inventors
A. F. (pessoa física)
C. S. (pessoa física)
L. M. (pessoa física)
M. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
04/30/1985
RPI 758
Republicação - classificação IPC
#15.11
01/08/1985
RPI 742
Deferimento
#9.1
10/23/1984
RPI 731
Exigência - art. 36 da LPI
#6.1
02/28/1984
RPI 697
Solicitação de exame técnico
#4.1
07/05/1983
RPI 663
Publicação do pedido de patente
#3.1
01/11/1983
RPI 638
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