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

PELÍCULA COMPÓSITA, PROCESSO PARA SUA PREPARAÇÃO, MATERIAL DE VIDRAÇA E PRODUTO DE MATERIAL DE VIDRAÇA

Arquivada/ExtintaInvention PatentPCT · US1989000274

Application data

Number

PI8907876

Type

Invention Patent

Filing

01/23/1989

Publication

10/01/1991

PCT

US1989000274

Progress at the INPI

  1. Filing01/23/89
  2. Publication10/01/91
  3. Examination02/02/93
  4. Allowance05/17/94
  5. Grant03/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Southwall Technologies, Inc.

US

Inventors

S. M. (pessoa física)

US

T. H. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/01/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

09/27/1994

RPI 1243

Deferimento

#9.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

02/02/1993

RPI 1157

Notificação de entrada na fase nacional - PCT

#1.3

10/01/1991

RPI 1087

Patent monitoring

Track this patent in real time.

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