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Official data from INPI

CANETA ESFEROGRÁFICA COM TAMPA FLUTUANTE.

ConcedidaUtility Model

Application data

Number

MU6401308

Type

Utility Model

Filing

08/14/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing08/14/84
  2. Publication03/25/86
  3. Examination08/05/86
  4. Allowance06/28/88
  5. Grant02/28/89
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cia. de Canetas Compactor

Inventors

E. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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