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Official data from INPI

APARELHO E PROCESSO DE SEDIMENTACAO APERFEICOADOS

Em AnáliseInvention Patent

Application data

Number

PI7807199

Type

Invention Patent

Filing

07/19/1978

Publication

-

Progress at the INPI

  1. Filing07/19/78
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Terminated06/14/88

The patent was granted on 01/25/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DORR OLIVER INC

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Inventors

K. P. (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

Cessão de direito de exploração

#22.1

04/16/1985

RPI 756

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

6.2

12/29/1981

RPI 584

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