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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE DE HIDROCARBONETO

Em AnáliseInvention Patent

Application data

Number

PI8601879

Type

Invention Patent

Filing

04/28/1986

Publication

12/30/1986

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/28/86
  2. Publication12/30/86
  3. Examination02/14/89
  4. Allowance08/06/91
  5. Grant
  6. In force

The application was allowed by the INPI on 08/06/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

C. L. (pessoa física)

US

L. G. (pessoa física)

US

M. K. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

728.635 · 04/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Retificação

#15.3

01/28/1992

RPI 1104

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Deferimento

#9.1

08/06/1991

RPI 1079

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