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

"INSTRUMENTOS PARA ESCREVER''

Arquivada/ExtintaInvention PatentPCT · US1990004743

Application data

Number

PI9006931

Type

Invention Patent

Filing

08/21/1990

Publication

10/01/1991

PCT

US1990004743

Progress at the INPI

  1. Filing08/21/90
  2. Publication10/01/91
  3. Examination08/03/93
  4. Allowance02/23/99
  5. Grant08/24/99
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

2C Co. Corporation

US

Inventors

R. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

412.344 · 09/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

08/24/1999

RPI 1494

Deferimento

#9.1

02/23/1999

RPI 1468

Conhecimento de parecer técnico

#7.1

10/14/1997

RPI 1402

Conhecimento de parecer técnico

#7.1

01/21/1997

RPI 1364

Solicitação de exame técnico

#4.1

08/03/1993

RPI 1183

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.