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Official data from INPI

FECHO.

IndeferidaInvention Patent

Application data

Number

PI8108921

Type

Invention Patent

Filing

12/21/1981

Publication

11/30/1982

Progress at the INPI

Under appeal
  1. Filing12/21/81
  2. Publication11/30/82
  3. Examination02/07/84
  4. Refused11/10/87
  5. Grant
  6. In force

The application was refused by the INPI on 11/10/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ethyl Products Company.

Inventors

L. [. (pessoa física)

O. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

218.735 · 12/22/1980

US

271.781 · 06/08/1981

US

PCT/81/01737 · 12/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/10/1987

RPI 890

Conhecimento de parecer técnico

#7.1

03/10/1987

RPI 855

Conhecimento de parecer técnico

#7.1

10/01/1985

RPI 780

Conhecimento de parecer técnico

#7.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

02/07/1984

RPI 694

Notificação de entrada na fase nacional - PCT

#1.3

11/30/1982

RPI 632

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