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Official data from INPI

APARELHO E PROCESSO PARA DETECTAR A VELOCIDADE DE ROTACAO DE UM CIRCUITO EM ANEL OPTICO

ArquivadaInvention Patent

Application data

Number

PI8401896

Type

Invention Patent

Filing

04/25/1983

Publication

12/04/1984

Progress at the INPI

  1. Filing04/25/83
  2. Publication12/04/84
  3. Examination12/16/86
  4. Allowance07/12/88
  5. Abandoned
  6. In force

The application was allowed on 07/12/1988 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIV LELAND STANFORD JUNIOR [US]

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Inventors

K. Y. (pessoa física)

L. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/12/1989

RPI 999

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

12/16/1986

RPI 843

Publicação do pedido de patente

#3.1

12/04/1984

RPI 737

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

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