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Official data from INPI

COMPOSICAO DE PIGMENTO SECO,NAO-FORMADORA DE PO E DISPERSIVEL EM AGUA,E PROCESSO PARA SUA PREPARACAO

Em AnáliseInvention Patent

Application data

Number

PI7705606

Type

Invention Patent

Filing

08/24/1976

Publication

-

Progress at the INPI

  1. Filing08/24/76
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant06/28/83
  6. Terminated12/15/87

The patent was granted on 06/28/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HERCULES INC

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

6.2

12/29/1981

RPI 584

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