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

VAGÃO-TANQUE AQUECIDO PARA FERROVIA

Em AnáliseInvention Patent

Application data

Number

PI8505430

Type

Invention Patent

Filing

01/28/1985

Publication

02/18/1986

Progress at the INPI

  1. Filing01/28/85
  2. Publication02/18/86
  3. Examination05/05/87
  4. Allowance05/23/89
  5. Grant02/06/90
  6. Terminated08/15/95

The patent was granted on 02/06/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. L. (pessoa física)

US

Inventors

R. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

583,834 · 01/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1986

RPI 800

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

02/06/1990

RPI 1005

Patent monitoring

Track this patent in real time.

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