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Official data from INPI

Processo aperfeiçoados para recuperação de óleo e aparelho aperfeiçoado para a prática de processo.

ArquivadaInvention Patent

Application data

Number

PI8207564

Type

Invention Patent

Filing

12/29/1982

Publication

10/25/1983

Progress at the INPI

  1. Filing12/29/82
  2. Publication10/25/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/29/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allis - Chalmers Corporation

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Inventors

H. M. (pessoa física)

P. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

336.262 · 12/31/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

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