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Official data from INPI

CONTATO MÓVEL PARA COMUTADOR SEM CARGA

Em AnáliseUtility Model

Application data

Number

MU6501061

Type

Utility Model

Filing

07/25/1985

Publication

03/10/1987

Progress at the INPI

  1. Filing07/25/85
  2. Publication03/10/87
  3. Examination05/09/89
  4. Allowance05/28/91
  5. Grant12/31/91
  6. Expired10/03/95

The letters patent expired on 10/03/1995: 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: 05/09/1989. 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

C. H. (pessoa física)

BR

J. S. (pessoa física)

BR

R. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

10/08/1985

RPI 781

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

Exigência - art. 36 da LPI

#6.1

11/13/1990

RPI 1041

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