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Official data from INPI

POLIESTER INSATURADO E PROCESSO PARA PREPARAÇÃO DO MESMO.

Em AnáliseInvention Patent

Application data

Number

PI8008149

Type

Invention Patent

Filing

12/12/1980

Publication

-

Progress at the INPI

  1. Filing12/12/80
  2. Publication
  3. Examination09/27/83
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated05/17/88

The patent was granted on 11/26/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

P. J. (pessoa física)

S. W. (pessoa física)

W. W. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

7909040 · 12/14/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

14.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

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