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Official data from INPI

PROCESSO PARA PRODUCAO DE ESTRUTURA DE MALHA DE MATERIAL PLASTICO A ESTRUTURA DE MALHA DE MATERIAL PLASTICO PRODUZIDA E PROCESSO DE RETENCAO DE MATERIAL EM PARTICULAS COM A MESMA

ConcedidaInvention Patent

Application data

Number

PI7906472

Type

Invention Patent

Filing

10/16/1978

Publication

-

Progress at the INPI

  1. Filing10/16/78
  2. Publication
  3. Examination
  4. Allowance07/31/84
  5. Grant01/29/85
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLG RES [GB]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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