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Official data from INPI

CONECTOR ELETRICO PARA TRILHO ELETRIFICADO

ConcedidaUtility Model

Application data

Number

MU6101057

Type

Utility Model

Filing

08/04/1981

Publication

12/01/1981

Progress at the INPI

  1. Filing08/04/81
  2. Publication12/01/81
  3. Examination02/16/82
  4. Allowance10/23/84
  5. Grant05/28/85
  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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. F. (pessoa física)

N. L. (pessoa física)

Inventors

N. F. (pessoa física)

N. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Publicação antecipada

#3.2

12/01/1981

RPI 580

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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