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

PROCESSO E SISTEMA DE ADSORÇÃO POR PRESSÃO OSCILANTE

Em ExigênciaInvention Patent

Application data

Number

PI8403297

Type

Invention Patent

Filing

07/03/1984

Publication

02/12/1986

Progress at the INPI

  1. Filing07/03/84
  2. Publication02/12/86
  3. Examination06/02/87
  4. Allowance10/02/90
  5. Grant04/30/91
  6. Terminated06/20/95

The patent was granted on 04/30/1991 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

US

R. C. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

03/13/1990

RPI 1009

Patent monitoring

Track this patent in real time.

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