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Official data from INPI

FECHADURA DE SEGURANCA

Em AnáliseUtility Model

Application data

Number

MU6000790

Type

Utility Model

Filing

07/01/1980

Publication

03/02/1982

Progress at the INPI

  1. Filing07/01/80
  2. Publication03/02/82
  3. Examination07/19/83
  4. Allowance01/02/85
  5. Grant07/30/85
  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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. H. (pessoa física)

Inventors

M. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/22/1989

RPI 983

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

14.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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