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Official data from INPI

SISTEMA CONSTRUTIVO DE FURADEIRA ELÉTRICA

ConcedidaInvention Patent

Application data

Number

PI8204369

Type

Invention Patent

Filing

07/27/1982

Publication

03/07/1984

Progress at the INPI

  1. Filing07/27/82
  2. Publication03/07/84
  3. Examination05/27/86
  4. Allowance12/08/87
  5. Grant05/31/88
  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.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arno S/A

SP, BR

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Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Deferimento

#9.1

12/08/1987

RPI 894

11.8

09/08/1987

RPI 881

Retificação

#15.3

06/09/1987

RPI 868

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

03/07/1984

RPI 698

Pedido de patente depositado

#2.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

Patente extinta em 27/07/97

07/01/2008

RPI 1956

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