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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8201275

Type

Invention Patent

Filing

03/10/1982

Publication

01/18/1983

Progress at the INPI

  1. Filing03/10/82
  2. Publication01/18/83
  3. Examination02/05/85
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

04/14/1987

RPI 860

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Pedido de patente depositado

#2.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

Patente extinta em 10/03/97

07/01/2008

RPI 1956

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