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Official data from INPI

EQUIPAMENTO ELETRO-ELETRÔNICO PARA TRATAMENTO TÉRMICO DE TOLETES DE CANA-DE-AÇÚCAR

PublicadaInvention Patent

Application data

Number

PI8603933

Type

Invention Patent

Filing

08/18/1986

Publication

05/17/1988

Progress at the INPI

  1. Filing08/18/86
  2. Publication05/17/88
  3. Examination10/30/90
  4. Allowance03/03/92
  5. Grant11/24/92
  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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INSTALARME - Indústria e Comércio Ltda.

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Carta-patente expirada

#21.1

Patente extinta em 18/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/03/1992

RPI 1109

15.18

08/13/1991

RPI 1080

Retificação

#15.3

06/25/1991

RPI 1073

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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