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Official data from INPI

PROCESSO PARA A PREPARACAO DE ACILCIANETOS

ConcedidaInvention Patent

Application data

Number

PI7902857

Type

Invention Patent

Filing

05/11/1978

Publication

-

Progress at the INPI

  1. Filing05/11/78
  2. Publication
  3. Examination11/03/81
  4. Allowance01/11/83
  5. Grant07/26/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

6.2

05/25/1982

RPI 605

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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