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Official data from INPI

PROCESSO PARA EVITAR ACUMULO DE FIBRAS DURANTE PREPARAÇÃO DE MISTURA DAS FIBRAS E PARTÍCULAS, PROCESSO PARA DISPERSAR UNIFORMEMENTE FIBRA DENTRO DE PARTÍCULAS E APARELHO PARA DISPERSÃO DE FIBRAS EM PARTÍCULAS

ArquivadaInvention PatentPCT · US1987000287

Application data

Number

PI8707590

Type

Invention Patent

Filing

02/06/1987

Publication

03/14/1989

PCT

US1987000287

Progress at the INPI

  1. Filing02/06/87
  2. Publication03/14/89
  3. Examination11/27/90
  4. Allowance01/09/96
  5. Abandoned
  6. In force

The application was allowed on 01/09/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil, Inc

US

See this company's full portfolio

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

831,240 · 02/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

07/02/1996

RPI 1335

Deferimento

#9.1

01/09/1996

RPI 1310

Exigência - art. 36 da LPI

#6.1

03/14/1995

RPI 1267

15.9

11/27/1990

RPI 1043

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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