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Official data from INPI

CASCO ISOLANTE TERMICO

Em AnáliseInvention Patent

Application data

Number

PI8102300

Type

Invention Patent

Filing

04/15/1980

Publication

12/01/1981

Progress at the INPI

  1. Filing04/15/80
  2. Publication12/01/81
  3. Examination03/16/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated05/24/88

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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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)

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

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

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