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Official data from INPI

AVANCO E DISPOSITIVO DE AVANCO,MEDIANTE RODAS PLANETARIAS,DE UM ARAME DE SOLDAR POR FUSAO

Em AnáliseInvention Patent

Application data

Number

PI7704114

Type

Invention Patent

Filing

06/24/1976

Publication

-

Progress at the INPI

  1. Filing06/24/76
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant03/29/83
  6. Terminated08/28/90

The patent was granted on 03/29/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MESSER GRIESHEIM GMBH

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Inventors

A. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/10/1987

RPI 890

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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