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Official data from INPI

PROCESSO PARA PRODUCAO DE FIBRAS OTICAS E FIBRA OTICA PRODUZIDA PELO MESMO

ConcedidaInvention Patent

Application data

Number

PI8004434

Type

Invention Patent

Filing

07/19/1979

Publication

-

Progress at the INPI

  1. Filing07/19/79
  2. Publication
  3. Examination01/18/83
  4. Allowance08/04/87
  5. Grant10/27/87
  6. Terminated08/02/94

The patent was granted on 10/27/1987 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PHILIPS NV

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Inventors

K. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

100

08/04/1987

RPI 876

120

02/17/1987

RPI 852

Petição de recurso

#12.2

05/20/1986

RPI 813

Indeferimento

#9.2

02/04/1986

RPI 798

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Republicação - classificação IPC

#15.11

01/31/1984

RPI 693

Pedido de certificado de adição de invenção

#5.1

06/28/1983

RPI 662

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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