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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8302628

Type

Invention Patent

Filing

05/19/1983

Publication

01/17/1984

Progress at the INPI

  1. Filing05/19/83
  2. Publication01/17/84
  3. Examination03/20/84
  4. Allowance10/29/85
  5. Grant06/24/86
  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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DR. Johannes Heidenhain GmbH

DE

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Inventors

N. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

10/29/1985

RPI 784

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

Carta-patente expirada

#21.1

Patente extinta em 19/05/98

07/01/2008

RPI 1956

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