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Official data from INPI

INSTALACAO E PROCESSO DE MISTURASEPARACAO DE DOIS LIQUIDOS NAO MISCIVEIS E BOMBA DE ELEVACAO EMPREGADA

ConcedidaInvention Patent

Application data

Number

PI7701496

Type

Invention Patent

Filing

03/12/1976

Publication

-

Progress at the INPI

  1. Filing03/12/76
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant12/27/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KREBS & CO AG

Inventors

M. M. (pessoa física)

S. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

Exigência - art. 36 da LPI

#6.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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