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Official data from INPI

TECEDORA DE FUMO.

ConcedidaUtility Model

Application data

Number

MU6000365

Type

Utility Model

Filing

03/28/1980

Publication

-

Progress at the INPI

  1. Filing03/28/80
  2. Publication
  3. Examination
  4. Allowance08/10/82
  5. Grant04/24/84
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tratemet Tratamento Térmico de Metais Ltda

RS, BR

Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

15.15

02/28/1984

RPI 697

110

12/27/1983

RPI 688

120

08/09/1983

RPI 668

13.2

04/12/1983

RPI 651

Recurso

#12.1

02/22/1983

RPI 644

Deferimento

#9.1

08/10/1982

RPI 616

15.0

04/13/1982

RPI 599

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

Patente extinta em 28/03/1990

07/01/2008

RPI 1956

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