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Official data from INPI

PROCESSO PARA REVESTIR FIBRAS DE VIDRO,FIBRAS OBTIDAS,COMPOSICAO DE REVESTIMENTO AQUOSA PARA FIBRAS DE FIDRO;E MATERIAL DE CIMENTO COMPOSTO

ConcedidaInvention Patent

Application data

Number

PI7707545

Type

Invention Patent

Filing

11/11/1976

Publication

-

Progress at the INPI

  1. Filing11/11/76
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated08/28/90

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PILKINGTON BROTHERS LTD

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Inventors

C. C. (pessoa física)

M. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

15.0

03/16/1982

RPI 595

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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