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Official data from INPI

APARELHO E PROCESSO DE MEDIÇÃO DE DESLOCAMENTO

ConcedidaInvention Patent

Application data

Number

PI8403768

Type

Invention Patent

Filing

07/27/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/27/84
  2. Publication07/02/85
  3. Examination10/22/85
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dr. Johannes Heidenhain GmbH

DE

See this company's full portfolio

Inventors

R. P. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

83 20 629 · 07/30/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

11/01/1988

RPI 941

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

10/22/1985

RPI 783

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 27/07/99

07/08/2008

RPI 1957

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