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Official data from INPI

PROCESSO DE MISTURAR COMPONENTES EM PARTÍCULAS.

ConcedidaInvention Patent

Application data

Number

PI7904694

Type

Invention Patent

Filing

07/23/1978

Publication

-

Progress at the INPI

  1. Filing07/23/78
  2. Publication
  3. Examination03/30/82
  4. Allowance12/16/86
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. F. (pessoa física)

Inventors

F. H. (pessoa física)

Technical data

IPC Classification

Priority claims

NO

782550 · 07/25/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Conhecimento de parecer técnico

#7.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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