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Official data from INPI

SISTEMA DE QUEIMADOR DE GAS ERVO CONTROLADO

ConcedidaUtility Model
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Application data

Number

MU6200279

Type

Utility Model

Filing

02/04/1982

Publication

10/18/1983
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Progress at the INPI

  1. Filing02/04/82
  2. Publication10/18/83
  3. Examination12/27/83
  4. Allowance03/17/87
  5. Grant10/27/87
  6. Expired11/15/94

The letters patent expired on 11/15/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ORGANTI S A IND E COMERCIO

Inventors

S. E. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

07/14/1987

RPI 873

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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