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Official data from INPI

DISPOSITIVO AUXILIAR PARA ACENDIMENTO DE ESTOPIM DE EXPLOSIVOS

Em AnáliseUtility Model

Application data

Number

MU6501963

Type

Utility Model

Filing

12/09/1985

Publication

07/01/1986

Progress at the INPI

  1. Filing12/09/85
  2. Publication07/01/86
  3. Examination09/09/86
  4. Allowance05/23/89
  5. Grant02/06/90
  6. Expired03/12/96

The letters patent expired on 03/12/1996: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. L. (pessoa física)

SP, BR

Inventors

A. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação antecipada

#3.2

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

03/25/1986

RPI 805

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

Concessão da patente

#16.1

02/06/1990

RPI 1005

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