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Official data from INPI

GRADE DE PROTEÇÃO NÃO-CORROSIVA

IndeferidaInvention PatentPCT · US1987001348

Application data

Number

PI8707984

Type

Invention Patent

Filing

06/03/1987

Publication

04/17/1990

PCT

US1987001348

Progress at the INPI

Under appeal
  1. Filing06/03/87
  2. Publication04/17/90
  3. Examination04/23/91
  4. Refused04/20/93
  5. Grant
  6. In force

The application was refused by the INPI on 04/20/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/20/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Saftron, Inc

US

Inventors

T. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/20/1993

RPI 1168

Conhecimento de parecer técnico

#7.1

09/29/1992

RPI 1139

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1990

RPI 1014

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