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Official data from INPI

SENSOR DE ROTACAO A FIBRAS OPTICAS

ConcedidaInvention Patent

Application data

Number

PI8207250

Type

Invention Patent

Filing

03/31/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing03/31/81
  2. Publication03/01/83
  3. Examination02/12/85
  4. Allowance09/15/87
  5. Grant04/26/88
  6. Terminated06/26/90

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIV LELAND STANFORD JUNIOR [US]

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Inventors

B. [. (pessoa física)

L. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

08/27/1985

RPI 775

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Retificação da notificação da fase nacional - PCT

#1.3.1

06/07/1983

RPI 659

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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