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Official data from INPI

SEPARADOR E ROLAMENTO DE ENCOSTO QUE UTILIZA ESSE SEPARADOR

Concessão AnuladaInvention Patent

Application data

Number

PI7905504

Type

Invention Patent

Filing

08/28/1978

Publication

-

Progress at the INPI

  1. Filing08/28/78
  2. Publication
  3. Examination
  4. Allowance02/16/83
  5. Grant09/27/83
  6. Terminated09/25/90

The patent was granted on 09/27/1983 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: 12/13/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TORRINGTON CO

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Inventors

J. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

12/13/1983

RPI 686

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

15.0

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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