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Official data from INPI

MONTAGEM DE CONETOR ELÉTRICO

ConcedidaInvention Patent

Application data

Number

PI8201468

Type

Invention Patent

Filing

03/17/1982

Publication

02/01/1983

Progress at the INPI

  1. Filing03/17/82
  2. Publication02/01/83
  3. Examination04/09/85
  4. Allowance08/12/86
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

See this company's full portfolio

Inventors

F. K. (pessoa física)

DE

W. L. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8108538 · 03/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

110

12/08/1987

RPI 894

120

08/11/1987

RPI 877

Recurso

#12.1

10/29/1986

RPI 836

Deferimento

#9.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

Patente extinta em 17/03/97

07/01/2008

RPI 1956

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