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

CRESCIMENTO DE FIBRAS COM O AUXÍLIO DE LASER

Em AnáliseInvention PatentPCT · US1987001975

Application data

Number

PI8707778

Type

Invention Patent

Filing

08/12/1987

Publication

10/31/1989

PCT

US1987001975

Progress at the INPI

  1. Filing08/12/87
  2. Publication10/31/89
  3. Examination04/10/90
  4. Allowance
  5. Grant
  6. In force

Published on 10/31/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceramic Research, Inc

US

E.I. Du Pont de Nemours and Company

US

Inventors

P. N. (pessoa física)

Technical data

Priority claims

US

897.710 · 08/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Retificação

#15.3

10/24/1995

RPI 1299

14.1

05/14/1991

RPI 1067

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

Patent monitoring

Track this patent in real time.

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