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Official data from INPI

DISPOSITIVO ELETROMECÂNICO PARA SER INSTALADO EM MÁQUINAS OU EQUIPAMENTOS PARA PREPARAR ESPUMA FLEXÍVEL DE POLIURETANO

Em AnáliseInvention Patent

Application data

Number

PI8605280

Type

Invention Patent

Filing

10/22/1986

Publication

05/31/1988

Progress at the INPI

  1. Filing10/22/86
  2. Publication05/31/88
  3. Examination09/27/88
  4. Allowance08/24/93
  5. Grant11/29/94
  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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schmuziger Indústria e Comércio de Máquinas Ltda

SP, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 22/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/29/1994

RPI 1252

Retificação

#15.6

10/11/1994

RPI 1245

Alteração de numeração

#15.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

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