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Official data from INPI

Vedação aperfeiçoada para caixa - cabeceira metálicas de radiadores e trocadores de calor, particularmente automotivos.

Em AnáliseInvention Patent
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Application data

Number

PI8102318

Type

Invention Patent

Filing

04/13/1981

Publication

11/30/1982
View on INPI

Progress at the INPI

  1. Filing04/13/81
  2. Publication11/30/82
  3. Examination10/11/83
  4. Allowance10/09/84
  5. Grant06/25/85
  6. Terminated08/30/94

The patent was granted on 06/25/1985 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

F28F 9/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/08/1989

RPI 955

Pedido de licença compulsória

#20.1

08/26/1986

RPI 827

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/10/1984

RPI 703

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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