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Official data from INPI

PROCESSO PARA FABRICACAO DE ESTRUTURAS FIBROSAS FIBRILADAS E SUA APLICACAO

ConcedidaInvention Patent

Application data

Number

PI8001125

Type

Invention Patent

Filing

02/27/1979

Publication

-

Progress at the INPI

  1. Filing02/27/79
  2. Publication
  3. Examination10/13/82
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Terminated09/25/90

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 specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AKZO NV

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Inventors

M. N. (pessoa física)

W. F. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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