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Official data from INPI

BALANCIM DUPLO

ConcedidaUtility Model

Application data

Number

MU6200104

Type

Utility Model

Filing

01/25/1982

Publication

09/06/1983

Progress at the INPI

  1. Filing01/25/82
  2. Publication09/06/83
  3. Examination09/17/85
  4. Allowance09/15/87
  5. Grant05/31/88
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAQUINAS WEBER LTDA [BR]

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Retificação

#15.6

07/07/1987

RPI 872

15.4

03/31/1987

RPI 858

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

09/06/1983

RPI 672

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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