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Official data from INPI

PROCESSO PARA ELEVAR A EFICIENCIA DE POLIMERO REDUTOR DE ARRASTO

PublicadaInvention Patent

Application data

Number

PI8805510

Type

Invention Patent

Filing

10/25/1988

Publication

07/04/1989

Progress at the INPI

  1. Filing10/25/88
  2. Publication07/04/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/25/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Conoco Inc

US

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Inventors

M. L. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

114,313 · 10/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/04/1989

RPI 976

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

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