Concessão da patente
#16.1
04/30/1985
RPI 758
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Application data
Number
PI8103933Type
Invention Patent
Filing
06/26/1980
Publication
03/09/1982
Progress at the INPI
- Filing06/26/80
- Publication03/09/82
- Examination10/18/83
- Allowance10/16/84
- Grant04/30/85
- Terminated08/07/90
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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
DU PONT
Inventors
F. W. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
10/16/1984
RPI 730
Exigência - art. 36 da LPI
#6.1
05/08/1984
RPI 707
Solicitação de exame técnico
#4.1
10/18/1983
RPI 678
Publicação do pedido de patente
#3.1
03/09/1982
RPI 594
Anuidade - prazo legal encerrado
#18.2
08/07/1990
RPI 1027
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