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Official data from INPI

OBTURADOR PARA VALVULAS

Em AnáliseUtility Model

Application data

Number

MU5601286

Type

Utility Model

Filing

11/03/1976

Publication

-

Progress at the INPI

  1. Filing11/03/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  6. Invalidated10/16/84

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 10/16/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EICHENBERGER E

Inventors

E. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

10/16/1984

RPI 730

Pedido de licença voluntária

#17.1

05/22/1984

RPI 709

Concessão da patente

#16.1

04/26/1983

RPI 653

14.1

12/14/1982

RPI 634

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

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