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Official data from INPI

PROCESSO PARA PRODUZIR AÇO DE ELEVADA RESISTÊNCIA E DE BAIXA LIGA, E, AÇO DE ELEVADA RESISTÊNCIA E DE BAIXA LIGA

ExtintaInvention PatentPCT · US1995015724

Application data

Number

PI9509968

Type

Invention Patent

Filing

12/01/1995

Publication

11/25/1997

PCT

US1995015724

Progress at the INPI

  1. Filing12/01/95
  2. Publication11/25/97
  3. Examination
  4. Allowance12/21/99
  5. Grant06/27/00
  6. Terminated08/12/14

The patent was granted on 06/27/2000 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/12/2014. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company.

US

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Inventors

J. K. (pessoa física)

US

M. L. (pessoa física)

US

Technical data

Priority claims

US

08/349857 · 12/06/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Manutenção da Extinção - Art. 78 inciso IV da LPI

#24.10

MANUTENÇÃO DA EXTINÇÃO - ART. 78 INCISO IV DA LPI

08/12/2014

RPI 2275

Extinção para fins de restauração (art. 87)

#21.6

Referente à 18ª anuidade.

04/01/2014

RPI 2256

Concessão da patente

#16.1

06/27/2000

RPI 1538

Deferimento

#9.1

12/21/1999

RPI 1511

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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