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Official data from INPI

TUBO ELASTICO DE PRESSAO

ConcedidaInvention Patent

Application data

Number

PI7702521

Type

Invention Patent

Filing

04/21/1976

Publication

-

Progress at the INPI

  1. Filing04/21/76
  2. Publication
  3. Examination
  4. Allowance01/11/83
  5. Grant06/28/83
  6. Terminated10/23/90

The patent was granted on 06/28/1983 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

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Inventors

L. E. (pessoa física)

S. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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