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Official data from INPI

SISTEMA APERFEICOADO DE CARBURACAO

ConcedidaUtility Model

Application data

Number

MU6400571

Type

Utility Model

Filing

04/16/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing04/16/84
  2. Publication11/26/85
  3. Examination05/06/86
  4. Allowance07/21/87
  5. Grant04/26/88
  6. Terminated10/02/90

The patent was granted on 04/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IVAN CAVALCANTI ALBUQUERQUE [BR]

IVO SIEDLER [BR]

Inventors

A. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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