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Official data from INPI

PROCESSO APERFEIÇOADO PARA ISOLAMENTO DE UMA BOBINA ELETROMAGNÉTICA HELICOIDAL E BOBINA

ConcedidaInvention Patent

Application data

Number

PI8204130

Type

Invention Patent

Filing

07/15/1982

Publication

07/12/1983

Progress at the INPI

  1. Filing07/15/82
  2. Publication07/12/83
  3. Examination04/23/85
  4. Allowance04/22/87
  5. Grant10/27/87
  6. Terminated06/26/90

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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

283.851 · 07/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Deferimento

#9.1

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Publicação do pedido de patente

#3.1

07/12/1983

RPI 664

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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