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Official data from INPI

APERFEICOAMENTO EM E REFERENTE A TAMBOR DE FREIO

Em AnáliseUtility Model

Application data

Number

MU6200612

Type

Utility Model

Filing

05/06/1982

Publication

08/24/1982

Progress at the INPI

  1. Filing05/06/82
  2. Publication08/24/82
  3. Examination12/14/82
  4. Allowance07/09/85
  5. Grant02/25/86
  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.

Talk to a specialist

Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. J. (pessoa física)

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/06/1987

RPI 885

20.7

10/06/1987

RPI 885

18.8

06/30/1987

RPI 871

18.8

06/02/1987

RPI 867

Anuidade - prazo legal encerrado

#18.2

03/17/1987

RPI 856

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

14.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação antecipada

#3.2

08/24/1982

RPI 618

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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