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Official data from INPI

DISPOSITIVO PARA ENCHIMENTO DE SACOS.

ConcedidaInvention Patent

Application data

Number

PI8206744

Type

Invention Patent

Filing

11/22/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/22/82
  2. Publication10/04/83
  3. Examination08/27/85
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoller & Wolscher

DE

Inventors

E. H. (pessoa física)

T. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 46 319.3 · 11/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

Patente extinta em 22/11/97

07/01/2008

RPI 1956

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