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Official data from INPI

TAMPAS PARA TRANSFORMADORES.

ConcedidaUtility Model

Application data

Number

MU6101400

Type

Utility Model

Filing

10/08/1981

Publication

05/17/1983

Progress at the INPI

  1. Filing10/08/81
  2. Publication05/17/83
  3. Examination08/30/83
  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.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. G. (pessoa física)

SP, BR

Inventors

G. [. (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

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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