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Official data from INPI

PROCESSO DE FORMAÇÃO DE CIMENTO DE RESISTÊNCIA ULTRA-ALTA E CONSOLIDAÇÃO DEMASIADAMENTE RÁPIDA

Arquivada/ExtintaInvention PatentPCT · US1990003159

Application data

Number

PI9007424

Type

Invention Patent

Filing

06/05/1990

Publication

06/16/1992

PCT

US1990003159

Progress at the INPI

  1. Filing06/05/90
  2. Publication06/16/92
  3. Examination07/13/93
  4. Allowance02/02/99
  5. Grant10/19/99
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. K. (pessoa física)

US

Inventors

H. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

363.587 · 06/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

02/02/1999

RPI 1465

Exigência - art. 36 da LPI

#6.1

08/18/1998

RPI 1443

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Notificação de entrada na fase nacional - PCT

#1.3

06/16/1992

RPI 1124

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