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Official data from INPI

DISPOSITIVO PARA O FECHAMENTO DE SACOS CHEIOS.

Em AnáliseInvention Patent

Application data

Number

PI8606150

Type

Invention Patent

Filing

12/11/1986

Publication

09/22/1987

Progress at the INPI

  1. Filing12/11/86
  2. Publication09/22/87
  3. Examination10/24/89
  4. Allowance05/01/90
  5. Grant11/27/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoeller & Hoelscher

DE

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Inventors

H. E. (pessoa física)

DE

K. T. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 44 156.9 · 12/13/1985

DE

P 36 15 178.5 · 05/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

09/22/1987

RPI 883

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Carta-patente expirada

#21.1

Patente extinta em 11/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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