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Official data from INPI

COMPOSICAO LUBRIFICANTE

ConcedidaInvention Patent

Application data

Number

PI8103451

Type

Invention Patent

Filing

06/02/1980

Publication

02/24/1982

Progress at the INPI

  1. Filing06/02/80
  2. Publication02/24/82
  3. Examination02/21/84
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated06/27/95

The patent was granted on 08/30/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USS ENG & CONSULT

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Inventors

L. L. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

100

12/29/1987

RPI 897

Petição de recurso

#12.2

07/07/1987

RPI 872

Indeferimento

#9.2

03/24/1987

RPI 857

Conhecimento de parecer técnico

#7.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

20.4

11/13/1990

RPI 1041

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