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Official data from INPI

APARELHO DEPURADOR E PLACA SEPARADORA

PublicadaInvention Patent

Application data

Number

PI8704792

Type

Invention Patent

Filing

09/17/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing09/17/87
  2. Publication05/24/88
  3. Examination10/23/90
  4. Allowance
  5. Grant
  6. In force

Published on 05/24/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ingersoll - Rand Company

US

See this company's full portfolio

Inventors

D. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

916.783 · 10/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Retificação

#15.3

02/04/1992

RPI 1105

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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