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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103253

Type

Invention Patent

Filing

05/26/1981

Publication

02/16/1982

Progress at the INPI

  1. Filing05/26/81
  2. Publication02/16/82
  3. Examination03/27/84
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. V. (pessoa física)

FR

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Inventors

H. K. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Conhecimento de parecer técnico

#7.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

6.2

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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