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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE E PROCESSO DE LUBRIFICAÇÃO DE UM COMPRESSOR DE AR DE MOVIMENTO ALTERNADO

PublicadaInvention Patent

Application data

Number

PI8606410

Type

Invention Patent

Filing

12/23/1986

Publication

10/13/1987

Progress at the INPI

  1. Filing12/23/86
  2. Publication10/13/87
  3. Abandoned02/13/90
  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: 10/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

E. W. (pessoa física)

US

P. M. (pessoa física)

US

T. A. (pessoa física)

US

Technical data

Priority claims

US

812.167 · 12/23/1985

US

927.296 · 11/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/13/1987

RPI 886

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Arquivamento - Art. 36 §1° da LPI

#11.2

09/14/1993

RPI 1189

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Pedido de certificado de adição de invenção

#5.1

04/10/1990

RPI 1013

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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