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Official data from INPI

CONJUNTO PARA DRENAGEM DE HIDROCEFALIA

Em AnáliseInvention Patent

Application data

Number

PI7608110

Type

Invention Patent

Filing

11/30/1976

Publication

-

Progress at the INPI

  1. Filing11/30/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Invalidated05/10/83

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: 05/10/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. M. (pessoa física)

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

05/10/1983

RPI 655

Pedido de licença voluntária

#17.1

12/14/1982

RPI 634

Concessão da patente

#16.1

06/29/1982

RPI 610

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