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Official data from INPI

PROCESSO PARA PREPARACAO DE UM ELETROCATALISADOR E ELETROCATALISADOR E ELETRODO PARA CELULA ELETROQUIMICA PREPARADOS PELO DITO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7702485

Type

Invention Patent

Filing

04/19/1976

Publication

-

Progress at the INPI

  1. Filing04/19/76
  2. Publication
  3. Examination
  4. Allowance03/09/82
  5. Grant11/30/82
  6. Terminated01/17/89

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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP INC

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Inventors

H. G. (pessoa física)

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

06/29/1982

RPI 610

Deferimento

#9.1

03/09/1982

RPI 594

15.0

10/06/1981

RPI 572

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