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Official data from INPI

CALIBRES PARA CORDOES DE SOLDA EM ANGULO

ConcedidaUtility Model

Application data

Number

MU6201165

Type

Utility Model

Filing

08/27/1982

Publication

04/03/1984

Progress at the INPI

  1. Filing08/27/82
  2. Publication04/03/84
  3. Examination07/03/84
  4. Allowance02/12/86
  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

NEUTRA POL SERVICOS DE NEUTRAL [BR]

Inventors

R. B. (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

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

07/03/1984

RPI 715

Publicação do pedido de patente

#3.1

04/03/1984

RPI 702

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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