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Official data from INPI

BUCHA DE FIXACAO

Em AnáliseUtility Model

Application data

Number

MU6400200

Type

Utility Model

Filing

02/13/1984

Publication

09/24/1985

Progress at the INPI

  1. Filing02/13/84
  2. Publication09/24/85
  3. Examination12/24/85
  4. Allowance09/30/86
  5. Grant08/25/87
  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: 01/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WALSYWA MECANICA [BR]

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

01/19/1988

RPI 900

20.7

01/19/1988

RPI 900

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

20.4

02/16/1994

RPI 1211

20.7

05/15/1990

RPI 1018

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