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Official data from INPI

MISTURAS DE COMPOSTOS, PROCESSO PARA A SUA PRODUÇÀO, E SUA APLICAÇÀO.

ConcedidaInvention Patent

Application data

Number

PI7906238

Type

Invention Patent

Filing

09/28/1979

Publication

-

Progress at the INPI

  1. Filing09/28/79
  2. Publication
  3. Examination03/09/82
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

F. O. (pessoa física)

K. A. (pessoa física)

Technical data

Priority claims

DE

P 28 42 468.2 · 09/29/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Exigência - art. 36 da LPI

#6.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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