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Official data from INPI

CANETA

DeferidaInvention Patent

Application data

Number

PI8600749

Type

Invention Patent

Filing

01/24/1986

Publication

11/04/1986

Progress at the INPI

  1. Filing01/24/86
  2. Publication11/04/86
  3. Examination11/01/88
  4. Allowance08/29/89
  5. Grant05/29/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

AR

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Inventors

E. A. (pessoa física)

AR

Technical data

IPC Classification

Priority claims

US

704,709 · 02/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Solicitação de exame técnico

#4.1

11/01/1988

RPI 941

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 24/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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