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Official data from INPI

GASTALHO PARA REFORCO DE FORMAS DE CONCRETAGEM DE VIGAS

ConcedidaUtility Model

Application data

Number

MU6300661

Type

Utility Model

Filing

05/20/1983

Publication

01/15/1985

Progress at the INPI

  1. Filing05/20/83
  2. Publication01/15/85
  3. Examination04/30/85
  4. Allowance05/27/86
  5. Grant12/30/86
  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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MILLS EQUIPAMENTOS LTDA [BR]

Inventors

N. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Pedido de certificado de adição de invenção

#5.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação do pedido de patente

#3.1

01/15/1985

RPI 743

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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