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Official data from INPI

PROCESSO DE REFORÇO DE JUNTAS DO TUBO DE PERMUTADOR DE CALOR COM O COLETOR.

Em AnáliseInvention Patent

Application data

Number

PI8002581

Type

Invention Patent

Filing

04/28/1980

Publication

-

Progress at the INPI

  1. Filing04/28/80
  2. Publication
  3. Examination03/08/83
  4. Allowance11/08/83
  5. Grant06/26/84
  6. Terminated02/11/92

The patent was granted on 06/26/1984 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

N. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

035.137 · 05/01/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/05/1988

RPI 924

201

04/30/1985

RPI 758

Pedido de licença voluntária

#17.1

11/27/1984

RPI 736

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

02/28/1984

RPI 697

Deferimento

#9.1

11/08/1983

RPI 681

Solicitação de exame técnico

#4.1

03/08/1983

RPI 646

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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