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Official data from INPI

APERFEICOAMENTO EM ELEMENTO PRENDEDOR PARA FIXACAO DENTRO DE UMA ABERTURA

Em AnáliseInvention Patent

Application data

Number

PI7706143

Type

Invention Patent

Filing

09/15/1976

Publication

-

Progress at the INPI

  1. Filing09/15/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/15/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MECHANICAL PLASTICS CORP

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Inventors

M. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/15/1986

RPI 808

Concessão da patente

#16.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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