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Official data from INPI

PROCESSO PARA A PRODUCAO DE AMONIA E CIRCUITO DE BAIXO NIVEL ENERGETICO

ConcedidaInvention Patent

Application data

Number

PI7704720

Type

Invention Patent

Filing

10/04/1976

Publication

-

Progress at the INPI

  1. Filing10/04/76
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant09/27/83
  6. Terminated01/21/92

The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PULLMAN INC

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Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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