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Official data from INPI

COMPOSIÇÃO DE ADITIVO, COMPOSIÇÃO DE MISTURA, E, COMPOSIÇÃO DE COMBUSTÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8803874

Type

Invention Patent

Filing

08/04/1988

Publication

03/14/1989

Progress at the INPI

  1. Filing08/04/88
  2. Publication03/14/89
  3. Abandoned10/31/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wynn Oil Company

US

Inventors

M. V. (pessoa física)

M. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

089,598 · 08/27/1987

US

182,299 · 03/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

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