(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO DE ENDURECIMENTO CONTÍNUO DA PARTE TRABALHANTE DO BOLETO DE TRILHO FERROVIÁRIO

PublicadaInvention Patent

Application data

Number

PI8800322

Type

Invention Patent

Filing

01/22/1988

Publication

09/05/1989

Progress at the INPI

  1. Filing01/22/88
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 01/22/1988. It awaits formal examination and publication in the RPI gazette.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. L. (pessoa física)

SP, BR

Inventors

J. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/05/1989

RPI 985

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Retificação

#15.3

04/21/1992

RPI 1116

Pedido de certificado de adição de invenção

#5.1

12/04/1990

RPI 1044

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.