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Official data from INPI

PIGMENTO OPACIFICANTE E PROCESSO PARA SUA FORMAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8201721

Type

Invention Patent

Filing

03/26/1982

Publication

04/12/1983

Progress at the INPI

  1. Filing03/26/82
  2. Publication04/12/83
  3. Examination10/25/83
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated10/16/90

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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Georgia Kaolin Company, Inc.

US

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Inventors

P. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

287.026 · 07/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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