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Official data from INPI

LIGA RESISTENTE À CORROSÃO A QUENTE TERMICAMENTE ESTÁVEL; TUBO DE CALDEIRA COMPÓSITO; E ESTRUTURA COMPÓSITA

PublicadaInvention Patent

Application data

Number

PI8706574

Type

Invention Patent

Filing

12/07/1987

Publication

07/12/1988

Progress at the INPI

  1. Filing12/07/87
  2. Publication07/12/88
  3. Examination09/25/90
  4. Allowance03/15/94
  5. Abandoned
  6. In force

The application was allowed on 03/15/1994 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inco Alloys International, Inc.

US

See this company's full portfolio

Inventors

C. T. (pessoa física)

US

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

939.040 · 12/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/12/1988

RPI 925

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Arquivamento - Art. 38 §2° da LPI

#11.4

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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