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Official data from INPI

ISOLAMENTO TERMICO PARA A AREA DE FUNDO E/OU DE TAMPA ABOBODADA DE UM RECIPIENTE PRESSURIZADO

Em AnáliseInvention Patent

Application data

Number

PI8101366

Type

Invention Patent

Filing

03/10/1980

Publication

-

Progress at the INPI

  1. Filing03/10/80
  2. Publication
  3. Examination02/02/82
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated05/24/88

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GRUENZWEIG & HARTMANN MONTAGE

KRAFTWERK UNION AG

Inventors

F. W. (pessoa física)

G. B. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

02/02/1982

RPI 589

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