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Official data from INPI

MÁQUINA AUTOMÁTICA PARA ENSAIO DE COMPRESSÃO DE PELLETS

Em AnáliseInvention Patent

Application data

Number

PI8706695

Type

Invention Patent

Filing

12/07/1987

Publication

04/26/1988

Progress at the INPI

  1. Filing12/07/87
  2. Publication04/26/88
  3. Examination06/28/88
  4. Allowance10/13/99
  5. Grant02/08/00
  6. Expired12/11/12

The letters patent expired on 12/11/2012: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Automática Tecnologia S/A

ES, BR

See this company's full portfolio

Inventors

A. F. (pessoa física)

BR

B. P. (pessoa física)

BR

P. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação antecipada

#3.2

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

04/05/1988

RPI 911

Carta-patente expirada

#21.1

Patente extinta em 08/02/2010

12/11/2012

RPI 2188

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

10/13/1999

RPI 1501

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