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Official data from INPI

PROCESSO DE PRODUCAO DE HIDROGENIO EM CELULA ELETROLITICA

Em AnáliseInvention Patent

Application data

Number

PI7906799

Type

Invention Patent

Filing

11/01/1978

Publication

-

Progress at the INPI

  1. Filing11/01/78
  2. Publication
  3. Examination04/13/82
  4. Allowance10/11/83
  5. Grant05/29/84
  6. Terminated07/12/88

The patent was granted on 05/29/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

G. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

11/30/1982

RPI 632

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

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