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

SISTEMA DE PLACAS REVERSÍVEIS PARA VÁLVULAS DE VEDAÇÃO DO FUNDO DE PANELAS QUE CONTÉM METAIS EM FUSÃO

Em ExigênciaInvention Patent
Talk to an expert

Application data

Number

PI8405829

Type

Invention Patent

Filing

11/14/1984

Publication

06/17/1986
View on INPI

Progress at the INPI

  1. Filing11/14/84
  2. Publication06/17/86
  3. Examination04/19/88
  4. Allowance02/01/90
  5. Grant08/28/90
  6. Terminated07/04/95

The patent was granted on 08/28/1990 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sidertec - Comércio de Equipamentos Ltda.

SP, BR

Inventors

K. L. (pessoa física)

BR

Technical data

IPC Classification

B22D 41/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

01/29/1985

RPI 745

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

02/01/1990

RPI 1004

Related

Patent monitoring

Track this patent in real time.

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