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

DISPOSITIVO PARA O CONGELAMENTO DE UM CONDUTO TUBULAR, ATRAVESSADO EM CORRENTE POR MEIOS, EM UM EQUIPAMENTO DE TÉCNICA NUCLEAR.

Em AnáliseInvention Patent

Application data

Number

PI8403359

Type

Invention Patent

Filing

07/05/1984

Publication

06/18/1985

Progress at the INPI

  1. Filing07/05/84
  2. Publication06/18/85
  3. Examination08/11/87
  4. Allowance06/04/91
  5. Grant12/31/91
  6. Terminated06/20/95

The patent was granted on 12/31/1991 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deutsche Gesellschaft Fr Wiederaufarbeitung Von Kernbrennstoffen MBH

DE

Inventors

D. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 24 292.5 · 07/06/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

06/18/1985

RPI 765

Pedido de patente depositado

#2.1

09/11/1984

RPI 725

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

10/15/1991

RPI 1089

Notificação para pagamento de retribuição

#13.1

10/01/1991

RPI 1087

Deferimento

#9.1

06/04/1991

RPI 1070

Patent monitoring

Track this patent in real time.

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