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Official data from INPI

PROCESSO PARA RECUPERACAO DE MATERIAL DE REJEITO

ConcedidaInvention Patent

Application data

Number

PI7904324

Type

Invention Patent

Filing

07/11/1978

Publication

-

Progress at the INPI

  1. Filing07/11/78
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

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Inventors

K. D. (pessoa física)

S. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

02/13/1990

RPI 1006

20.4

02/06/1990

RPI 1005

20.7

02/06/1990

RPI 1005

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