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Official data from INPI

CIRCUITO DE PILOTAGEM DE UM MOTOR PASSO A PASSO BEM COMO CIRCUITO DE MULTIPLICACAO DE TENSAO EMPREGADO NO MESMO

ConcedidaInvention Patent

Application data

Number

PI8207571

Type

Invention Patent

Filing

12/30/1981

Publication

10/25/1983

Progress at the INPI

  1. Filing12/30/81
  2. Publication10/25/83
  3. Examination01/28/86
  4. Allowance09/15/87
  5. Grant04/26/88
  6. Terminated04/18/95

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.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIVETTI & CO SPA [IN]

Inventors

G. C. (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

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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