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Official data from INPI

MATERIAL EM FOLHA PERMEAVEL A AGUA;ADEQUADO PARA FAZER SACO DE CHA;PROCESSO PARA SUA PREPARACAO E SACO DE CHA

Em AnáliseInvention Patent

Application data

Number

PI7802476

Type

Invention Patent

Filing

04/22/1977

Publication

-

Progress at the INPI

  1. Filing04/22/77
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated05/17/88

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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNILEVER NV

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Inventors

P. S. (pessoa física)

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

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

12/28/1982

RPI 636

6.2

01/12/1982

RPI 586

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