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Official data from INPI

Conjunto didático em forma de mala.

ConcedidaUtility Model

Application data

Number

MU6101871

Type

Utility Model

Filing

12/28/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing12/28/81
  2. Publication09/20/83
  3. Examination08/20/85
  4. Allowance10/06/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS SA [BR]

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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