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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105050

Type

Invention Patent

Filing

08/05/1981

Publication

04/20/1982

Progress at the INPI

  1. Filing08/05/81
  2. Publication04/20/82
  3. Examination06/05/84
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated11/21/95

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Board of Trustees of Leland Stanford Jr. University

US

Inventors

S. K. (pessoa física)

T. K. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

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

04/15/1986

RPI 808

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

11/21/1995

RPI 1303

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