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Official data from INPI

PROCESSO PARA A EXTRAÇÃO COM SOLVENTE

Arquivada/ExtintaInvention PatentPCT · US1990000632

Application data

Number

PI9006983

Type

Invention Patent

Filing

02/08/1990

Publication

11/12/1991

PCT

US1990000632

Progress at the INPI

  1. Filing02/08/90
  2. Publication11/12/91
  3. Examination12/22/92
  4. Allowance08/31/99
  5. Grant05/30/00
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

US

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Inventors

R. H. (pessoa física)

US

S. N. (pessoa física)

US

Technical data

Priority claims

US

315.489 · 02/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

05/30/2000

RPI 1534

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

09/29/1998

RPI 1449

Exigência - art. 36 da LPI

#6.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

12/22/1992

RPI 1151

Notificação de entrada na fase nacional - PCT

#1.3

11/12/1991

RPI 1093

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