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Official data from INPI

COMPOSICAO DE PIGMENTADOR FINAMENTE DIVIDIDA,MISTURA DE REVELADOR ELETROSTATOGRAFICO,PROCESSO DE FORMACAO DE IMAGENS ELETROSTATOGRAFICAS E PROCESSO PARA PREPARACAO DO DITO PIGMENTADOR

Em AnáliseInvention Patent

Application data

Number

PI7801164

Type

Invention Patent

Filing

02/28/1977

Publication

-

Progress at the INPI

  1. Filing02/28/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant11/30/82
  6. Terminated10/03/89

The patent was granted on 11/30/1982 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

XEROX CORP

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Inventors

A. C. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

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