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Official data from INPI

CONSTRUÇÃO APERFEIÇOADA PARA FILTROS D'ÁGUA.

Em AnáliseUtility Model

Application data

Number

MU5901240

Type

Utility Model

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination
  4. Allowance11/30/82
  5. Grant06/28/83
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 12/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. B. (pessoa física)

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

12/18/1984

RPI 739

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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