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Official data from INPI

SELO DE SEGURANCA DE PECA UNICA E SISTEMA DE LACRAR

Em AnáliseInvention Patent
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Application data

Number

PI7501943

Type

Invention Patent

Filing

04/01/1975

Publication

-
View on INPI

Progress at the INPI

  1. Filing04/01/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force04/01/95

The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.

Protection valid until:04/01/1995

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Latest action published by the INPI: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. D. (pessoa física)

Inventors

D. E. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/24/1987

RPI 857

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