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

TECIDO DE CAMADA DUPLA PARA MÁQUINA DE FABRICAR PAPEL E PROCESSO PARA A FABRICAÇÃO DE TECIDO

Em AnáliseInvention PatentPCT · US1987000030

Application data

Number

PI8705280

Type

Invention Patent

Filing

01/08/1987

Publication

12/22/1987

PCT

US1987000030

Progress at the INPI

  1. Filing01/08/87
  2. Publication12/22/87
  3. Examination11/07/89
  4. Allowance09/05/95
  5. Grant04/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

Inventors

B. T. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

US

817.017 · 01/08/1986

US

937.549 · 12/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Notificação de entrada na fase nacional - PCT

#1.3

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 08/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/05/1995

RPI 1292

Exigência - art. 36 da LPI

#6.1

11/23/1993

RPI 1199

Patent monitoring

Track this patent in real time.

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