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Official data from INPI

elemento de compressão.

ConcedidaUtility Model

Application data

Number

MU6300509

Type

Utility Model

Filing

04/28/1983

Publication

12/04/1984

Progress at the INPI

  1. Filing04/28/83
  2. Publication12/04/84
  3. Examination08/06/85
  4. Allowance06/09/87
  5. Grant11/29/88
  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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. M. (pessoa física)

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

14.10

06/07/1988

RPI 920

14.11

04/05/1988

RPI 911

14.7

04/05/1988

RPI 911

14.4

02/09/1988

RPI 903

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

12/04/1984

RPI 737

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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