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Official data from INPI

SISTEMA DE CONTROLE DE INTERRUPTOR PULSANTE

Em ExigênciaInvention Patent

Application data

Number

PI8500210

Type

Invention Patent

Filing

01/17/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing01/17/85
  2. Publication08/26/86
  3. Examination09/20/88
  4. Allowance03/01/90
  5. Grant09/25/90
  6. Terminated12/24/96

The patent was granted on 09/25/1990 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hitachi, Ltd.

JP

See this company's full portfolio

Inventors

H. O. (pessoa física)

JP

M. N. (pessoa física)

JP

S. M. (pessoa física)

JP

T. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

240.641/84 · 11/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/29/1989

RPI 984

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/19/1990

RPI 1023

Deferimento

#9.1

03/01/1990

RPI 1007

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