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Official data from INPI

LIGA CATALIZADORA DE METAL NOBRE-METAL BASE ,PROCESSO PARA REDUZIR OXIGENIO CATALITICAMENTE , CALULA ELETROQUIMICA E CELULA COMBUSTIVEL ACIDA

Em AnáliseInvention Patent
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Application data

Number

PI8103859

Type

Invention Patent

Filing

06/18/1980

Publication

03/09/1982
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Progress at the INPI

  1. Filing06/18/80
  2. Publication03/09/82
  3. Examination06/29/82
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Terminated05/24/88

The patent was granted on 03/25/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

L. D. (pessoa física)

L. F. (pessoa física)

Technical data

IPC Classification

H01M 6/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

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