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Official data from INPI

INOVACAO DE SISTEMA E APERFEICOAMENTO DE DISTRIBUICAO DE GAS E ACENDIMENTO

Em AnáliseUtility Model

Application data

Number

MU5901386

Type

Utility Model

Filing

10/18/1979

Publication

-

Progress at the INPI

  1. Filing10/18/79
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant04/24/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 11/11/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. G. (pessoa física)

Inventors

H. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

11/11/1986

RPI 838

20.4

11/04/1986

RPI 837

201

11/19/1985

RPI 787

Pedido de licença voluntária

#17.1

06/11/1985

RPI 764

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

110

12/06/1983

RPI 685

Recurso

#12.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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