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

FORNO PARA AQUECIMENTO DE FOLHAS DE VIDRO; TRANSPORTADOR PARA CARREGAR FOLHAS DE VIDRO ATRAVÉS DE UM FORNO DE AQUECIMENTO E PROCESSO PARA AQUECIMENTO DE FOLHAS DE VIDRO

Arquivada/ExtintaInvention PatentPCT · US1991001140

Application data

Number

PI9104669

Type

Invention Patent

Filing

02/20/1991

Publication

03/24/1992

PCT

US1991001140

Progress at the INPI

  1. Filing02/20/91
  2. Publication03/24/92
  3. Examination11/16/93
  4. Allowance12/01/98
  5. Grant10/19/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Libbey-Owens-Ford Co

US

See this company's full portfolio

Inventors

J. H. (pessoa física)

US

M. P. (pessoa física)

US

S. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

485.643 · 02/27/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/02/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

12/01/1998

RPI 1456

Exigência - art. 36 da LPI

#6.1

04/07/1998

RPI 1424

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

Patent monitoring

Track this patent in real time.

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