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Official data from INPI

DISPOSITIVO E PROCESSO PARA A SUSPENSÃO DE LUBRIFICANTES SÓLIDOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002851

Type

Invention Patent

Filing

06/18/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/18/90
  2. Publication08/20/91
  3. Examination09/28/93
  4. Allowance11/17/98
  5. Grant11/16/99
  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

L. A. (pessoa física)

CH

Timcal S.A.

CH

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Inventors

R. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

CH

2262/89 · 06/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

11/16/1999

RPI 1506

Deferimento

#9.1

11/17/1998

RPI 1454

Exigência - art. 36 da LPI

#6.1

06/23/1998

RPI 1435

Transferência deferida

#25.1

11/18/1997

RPI 1407

Solicitação de exame técnico

#4.1

09/28/1993

RPI 1191

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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