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Official data from INPI

CATALISADOR PARA A SINTESE DE AMONIA,PROCESSO PARA SUA PREPARACAO,E PROCESSO PARA PRODUCAO DE AMONIA

Concessão AnuladaInvention Patent

Application data

Number

PI7707354

Type

Invention Patent

Filing

11/03/1976

Publication

-

Progress at the INPI

  1. Filing11/03/76
  2. Publication
  3. Examination
  4. Allowance07/20/82
  5. Grant04/24/84
  6. Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH PETROLEUM CO

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Inventors

F. A. (pessoa física)

J. P. (pessoa física)

M. J. (pessoa física)

T. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/28/1984

RPI 697

110

12/13/1983

RPI 686

120

05/03/1983

RPI 654

Recurso

#12.1

11/16/1982

RPI 630

Deferimento

#9.1

07/20/1982

RPI 613

15.0

01/19/1982

RPI 587

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

Pedido de licença compulsória

#20.1

10/02/1990

RPI 1035

20.4

09/25/1990

RPI 1034

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