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

PROCESSO PARA A OBTENÇÃO DE AR COMPRIMIDO ISENTO DE ÓLEO, COM SECAGEM POR ADSORÇÃO

ConcedidaInvention Patent

Application data

Number

PI8201452

Type

Invention Patent

Filing

03/16/1982

Publication

11/01/1983

Progress at the INPI

  1. Filing03/16/82
  2. Publication11/01/83
  3. Examination12/31/85
  4. Allowance06/09/87
  5. Grant12/29/87
  6. Terminated07/25/95

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Barionkar S/A Industrial de Máquinas

SP, BR

Inventors

D. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Patent monitoring

Track this patent in real time.

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