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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE E MÉTODO DE LUBRIFICAÇÃO DE TRANSMISSÕES E CONJUNTOS DE ENGRENAGENS

Arquivada/ExtintaInvention PatentPCT · US1990007111

Application data

Number

PI9007186

Type

Invention Patent

Filing

12/05/1990

Publication

01/28/1992

PCT

US1990007111

Progress at the INPI

  1. Filing12/05/90
  2. Publication01/28/92
  3. Examination09/22/92
  4. Allowance09/15/98
  5. Grant02/23/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

J. S. (pessoa física)

US

Technical data

Priority claims

US

07/461,185 · 01/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/12/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

09/15/1998

RPI 1447

Exigência - art. 36 da LPI

#6.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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