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Official data from INPI

APERFEICOAMENTO EM COLMEIA DE RADIADORES

ConcedidaInvention Patent

Application data

Number

PI8103699

Type

Invention Patent

Filing

06/11/1981

Publication

01/18/1983

Progress at the INPI

  1. Filing06/11/81
  2. Publication01/18/83
  3. Examination04/05/83
  4. Allowance01/31/84
  5. Grant08/27/85
  6. Terminated06/27/95

The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RADIADORES VISCONDE LTDA [BR]

Inventors

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

06/18/1985

RPI 765

110

03/26/1985

RPI 753

Recurso

#12.1

05/02/1984

RPI 706

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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