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Official data from INPI

PROCESSO DE CRIACAO DE UM PADRAO DE CARGA ELETRICA PROCESSO DE CRIACAO DE UMA IMAGEM DE CARGAS ELETRICAS E SISTEMA DSTINADO A LEVAR A EFEITO O DITO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7907569

Type

Invention Patent

Filing

11/27/1978

Publication

-

Progress at the INPI

  1. Filing11/27/78
  2. Publication
  3. Examination09/14/82
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Terminated09/13/88

The patent was granted on 03/27/1984 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

M. V. (pessoa física)

N. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/13/1988

RPI 934

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

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