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Official data from INPI

SENSOR UTILIZANDO INTERFEROMETRO A FIBRAS OTICAS

Em AnáliseInvention Patent

Application data

Number

PI8306917

Type

Invention Patent

Filing

04/14/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing04/14/82
  2. Publication04/17/84
  3. Examination11/26/85
  4. Allowance10/13/87
  5. Grant06/28/88
  6. Terminated10/10/89

The patent was granted on 06/28/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIV LELAND STANFORD JUNIOR [US]

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Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1984

RPI 704

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