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Official data from INPI

APARELHO E PROCESSO PARA PRODUZIR UMA IMAGEM VISIVEL EM UMA SUPERFICIE DE IMAGEM FOTOCONDUTIVA

Em AnáliseInvention Patent

Application data

Number

PI7801974

Type

Invention Patent

Filing

03/31/1977

Publication

-

Progress at the INPI

  1. Filing03/31/77
  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.

Talk to a specialist

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

B. L. (pessoa física)

M. R. (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

11/03/1981

RPI 576

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