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Official data from INPI

APARELHO PARA SENTIR UM ESTADO DE OPERAÇÃO DE UMA MÁQUINA DÍNAMO-ELÉTRICA DE CORRENTE ALTERNADA

Em AnáliseInvention Patent

Application data

Number

PI8200114

Type

Invention Patent

Filing

01/11/1982

Publication

11/03/1982

Progress at the INPI

  1. Filing01/11/82
  2. Publication11/03/82
  3. Examination12/11/84
  4. Allowance04/22/87
  5. Grant10/27/87
  6. Terminated11/29/88

The patent was granted on 10/27/1987 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

US

Inventors

A. G. (pessoa física)

US

F. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

224,126 · 01/12/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/29/1988

RPI 945

Concessão da patente

#16.1

10/27/1987

RPI 888

Deferimento

#9.1

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

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