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Official data from INPI

APERFEIÇOAMENTO EM ARADO MONTADO DE RELHAS ALTERNATIVO

Prazo de SigiloInvention Patent

Application data

Number

PI8804942

Type

Invention Patent

Filing

09/21/1988

Publication

05/15/1990

Progress at the INPI

  1. Filing09/21/88
  2. Publication05/15/90
  3. Examination09/18/90
  4. Allowance06/22/93
  5. Grant04/26/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ikeda & Filhos Ltda.

SP, BR

Inventors

J. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Carta-patente expirada

#21.1

Patente extinta em 21/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/26/1994

RPI 1221

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Exigência - art. 36 da LPI

#6.1

12/01/1992

RPI 1148

Pedido de certificado de adição de invenção

#5.1

01/29/1991

RPI 1052

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

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