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Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA ARADURA DE SUPORTE E AS FAIXAS ADEQUADAS PARA ESTE FIM

Em AnáliseInvention Patent

Application data

Number

PI7707480

Type

Invention Patent

Filing

11/09/1976

Publication

-

Progress at the INPI

  1. Filing11/09/76
  2. Publication
  3. Examination
  4. Allowance04/13/82
  5. Grant
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 08/03/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

08/03/1982

RPI 615

Deferimento

#9.1

04/13/1982

RPI 599

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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