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Official data from INPI

MÁQUINA AUTOMÁTICA PARA PRODUZIR ENVELOPES

Em AnáliseInvention Patent

Application data

Number

PI8900431

Type

Invention Patent

Filing

02/01/1989

Publication

06/06/1989

Progress at the INPI

  1. Filing02/01/89
  2. Publication06/06/89
  3. Examination11/21/89
  4. Allowance12/01/92
  5. Grant05/25/93
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Laurenti Equipamentos Para Processamento De Dados Ltda

SP, BR

See this company's full portfolio

Inventors

A. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/21/1989

RPI 996

Publicação antecipada

#3.2

06/06/1989

RPI 972

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 01/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

12/01/1992

RPI 1148

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Exigência - art. 36 da LPI

#6.1

03/24/1992

RPI 1112

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