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Official data from INPI

DISPOSITIVO DE PROTEÇÃO DE ANTEPAROS DE CALDEIRAS DE RECUPERAÇÃO DE CALOR E PROCESSO DE FABRICAÇÃO DO MESMO

PublicadaInvention Patent

Application data

Number

PI8800846

Type

Invention Patent

Filing

02/26/1988

Publication

10/04/1988

Progress at the INPI

  1. Filing02/26/88
  2. Publication10/04/88
  3. Examination01/08/91
  4. Allowance01/14/92
  5. Abandoned
  6. In force

The application was allowed on 01/14/1992 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stein Industrie

FR

See this company's full portfolio

Inventors

A. C. (pessoa física)

FR

J. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 02 673 · 02/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/04/1988

RPI 937

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Arquivamento - Art. 38 §2° da LPI

#11.4

01/12/1993

RPI 1154

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Notificação para pagamento de retribuição

#13.1

06/02/1992

RPI 1122

Deferimento

#9.1

01/14/1992

RPI 1102

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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