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Official data from INPI

PROCESSO PARA SEPARAR E FLOCULAR TINTA INSOLÚVEL EM ÁGUA, ASPERGIDA EM EXCESSO

PublicadaInvention Patent

Application data

Number

PI8802417

Type

Invention Patent

Filing

05/18/1988

Publication

12/13/1988

Progress at the INPI

  1. Filing05/18/88
  2. Publication12/13/88
  3. Examination02/19/91
  4. Allowance01/24/95
  5. Grant06/27/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

C. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

053,936 · 05/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 18/05/2003

09/02/2008

RPI 1965

20.4

10/24/1995

RPI 1299

Concessão da patente

#16.1

06/27/1995

RPI 1282

Deferimento

#9.1

01/24/1995

RPI 1260

14.1

10/11/1994

RPI 1245

Exigência - art. 36 da LPI

#6.1

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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