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

APERFEIÇOAMENTO EM TRENAS.

Em AnáliseInvention Patent

Application data

Number

PI8605664

Type

Invention Patent

Filing

11/17/1986

Publication

06/14/1988

Progress at the INPI

Under appeal
  1. Filing11/17/86
  2. Publication06/14/88
  3. Examination09/20/88
  4. Refused10/13/92
  5. Grant
  6. In force

The application was refused by the INPI on 10/13/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

SP, BR

Inventors

C. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Indeferimento

#9.2

10/13/1992

RPI 1141

Conhecimento de parecer técnico

#7.1

12/24/1991

RPI 1099

Patent monitoring

Track this patent in real time.

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