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Official data from INPI

PROCESSOS PARA PREPARACAO DE COMPOSTOS

ConcedidaInvention Patent

Application data

Number

PI8002698

Type

Invention Patent

Filing

05/02/1979

Publication

-

Progress at the INPI

  1. Filing05/02/79
  2. Publication
  3. Examination12/14/82
  4. Allowance05/07/85
  5. Grant11/26/85
  6. Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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