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Official data from INPI

PROCESSO PARA RECUPERAÇÃO DAS PARTÍCULAS RESIDUAIS DE TINTA

Arquivada/ExtintaInvention PatentPCT · US1990004498

Application data

Number

PI9007547

Type

Invention Patent

Filing

08/13/1990

Publication

06/30/1992

PCT

US1990004498

Progress at the INPI

  1. Filing08/13/90
  2. Publication06/30/92
  3. Examination11/16/93
  4. Allowance07/19/94
  5. Grant04/25/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

7/528,400 · 05/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B05B 15/12; B01J 20/10; B01D 49/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 13/08/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

06/30/1992

RPI 1126

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