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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM SEGMENTO DE PRENSAGEM PARA ENROLAMENTO DE TRANSFORMADORES

Em AnáliseUtility Model

Application data

Number

MU6400756

Type

Utility Model

Filing

05/17/1984

Publication

12/24/1985

Progress at the INPI

  1. Filing05/17/84
  2. Publication12/24/85
  3. Examination08/04/87
  4. Allowance06/20/89
  5. Grant01/09/90
  6. Expired10/04/94

The letters patent expired on 10/04/1994: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Transformadores União Ltda

SP, BR

See this company's full portfolio

Inventors

H. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/17/1989

RPI 991

Deferimento

#9.1

06/20/1989

RPI 974

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

08/04/1987

RPI 876

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

Concessão da patente

#16.1

01/09/1990

RPI 1001

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