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Official data from INPI

PROCESSO DE OBTENÇÃO DE UM MEIO DE CULTURA PARA PRODUÇÃO DE SPIRULINA SPP

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9003291

Type

Invention Patent

Filing

07/04/1990

Publication

01/28/1992
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Progress at the INPI

  1. Filing07/04/90
  2. Publication01/28/92
  3. Examination05/26/92
  4. Allowance10/03/00
  5. Grant01/23/01
  6. Expired01/22/13

The letters patent expired on 01/22/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

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Inventors

R. R. (pessoa física)

BR

Technical data

IPC Classification

C12N 5/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/01/2011

01/22/2013

RPI 2194

Concessão da patente

#16.1

01/23/2001

RPI 1568

Deferimento

#9.1

10/03/2000

RPI 1552

Exigência - art. 36 da LPI

#6.1

02/08/2000

RPI 1518

Conhecimento de parecer técnico

#7.1

09/29/1998

RPI 1449

Conhecimento de parecer técnico

#7.1

05/12/1998

RPI 1429

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

01/28/1992

RPI 1104

Pedido de patente depositado

#2.1

01/08/1991

RPI 1049

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