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Official data from INPI

SISTEMA DE VULCANIZAÇÃO PARA ELASTÔMEROS BASEADOS EM TIODIETANOL.

Em AnáliseInvention PatentPCT · US1980000277

Application data

Number

PI8009040

Type

Invention Patent

Filing

03/17/1980

Publication

03/09/1982

PCT

US1980000277

Progress at the INPI

Technical opinion to answer
  1. Filing03/17/80
  2. Publication03/09/82
  3. Examination11/01/83
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

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Inventors

B. R. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/08/1988

RPI 907

Conhecimento de parecer técnico

#7.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

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