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

PROCESSO DE FORMAR VIDRO DERRETIDO EM UM TANQUE DE DERRETER VIDRO E RESPECTIVO TANQUE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002798

Type

Invention Patent

Filing

06/13/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/13/90
  2. Publication08/20/91
  3. Examination09/21/93
  4. Allowance05/20/97
  5. Grant01/21/98
  6. Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pilkington plc

GB

See this company's full portfolio

Inventors

P. W. (pessoa física)

GB

R. T. (pessoa física)

GB

Technical data

Priority claims

GB

8913539.6 · 06/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

01/21/1998

RPI 1413

Republicação - classificação IPC

#15.11

05/20/1997

RPI 1381

Deferimento

#9.1

05/20/1997

RPI 1381

Exigência - art. 36 da LPI

#6.1

07/30/1996

RPI 1339

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

Patent monitoring

Track this patent in real time.

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