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Official data from INPI

Mistura lubrificante e concentrado

Arquivada/ExtintaInvention PatentPCT · US1987003340

Application data

Number

PI8707586

Type

Invention Patent

Filing

12/15/1987

Publication

10/03/1989

PCT

US1987003340

Progress at the INPI

  1. Filing12/15/87
  2. Publication10/03/89
  3. Examination06/19/90
  4. Allowance04/30/96
  5. Grant08/26/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

C. T. (pessoa física)

US

J. S. (pessoa física)

US

Technical data

Priority claims

US

946.407 · 12/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 15/12/2007

08/26/2008

RPI 1964

16.3

Referência: RPI 1395 de 26/08/1997 - Item: Prazo de validade

12/22/1998

RPI 1459

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

02/18/1997

RPI 1368

Deferimento

#9.1

04/30/1996

RPI 1326

Exigência - art. 36 da LPI

#6.1

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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