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Official data from INPI

COMPOSIÇÃO REFRATÁRIA TERMICAMENTE ISOLANTE, FLEXÍVEL

IndeferidaInvention Patent

Application data

Number

PI8204073

Type

Invention Patent

Filing

07/14/1982

Publication

01/10/1984

Progress at the INPI

Under appeal
  1. Filing07/14/82
  2. Publication01/10/84
  3. Examination02/18/86
  4. Refused12/06/88
  5. Grant
  6. In force

The application was refused by the INPI on 12/06/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

US

S. L. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

357.024 · 03/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/06/1988

RPI 946

Conhecimento de parecer técnico

#7.1

03/01/1988

RPI 906

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

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