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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM BUZINA.

Em AnáliseUtility Model

Application data

Number

MU6401080

Type

Utility Model

Filing

07/12/1984

Publication

03/04/1986

Progress at the INPI

  1. Filing07/12/84
  2. Publication03/04/86
  3. Examination05/13/86
  4. Allowance08/11/87
  5. Grant04/26/88
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Comercial e Industrial Columbia S/A

SP, BR

See this company's full portfolio

Inventors

F. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

204

12/12/1989

RPI 999

Pedido de licença voluntária

#17.1

05/09/1989

RPI 968

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Republicação - classificação IPC

#15.11

04/15/1986

RPI 808

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/11/1984

RPI 725

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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