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Official data from INPI

TRAVA DE FIXACAO DE CAIXAS EM TRILHO

Em AnáliseUtility Model

Application data

Number

MU6101008

Type

Utility Model

Filing

07/27/1981

Publication

03/08/1983

Progress at the INPI

  1. Filing07/27/81
  2. Publication03/08/83
  3. Examination05/31/83
  4. Allowance09/18/84
  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.

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

PEXTRON IND ELETRONICA LTDA [BR]

Inventors

F. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

06/28/1988

RPI 923

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

05/31/1983

RPI 658

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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