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Official data from INPI

APARELHO E PROCESSO PARA FORMAR UM TUBO DOTADO DE ALETAS A PARTIR DE UM TUBO NU

Em AnáliseInvention Patent

Application data

Number

PI7900474

Type

Invention Patent

Filing

01/26/1978

Publication

-

Progress at the INPI

  1. Filing01/26/78
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant11/29/83
  6. Terminated06/14/88

The patent was granted on 11/29/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUMMUS CO

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

20.4

12/18/1984

RPI 739

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

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