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Official data from INPI

APARELHOS E PROCESSOS PARA A SEPARACAO DE UM SEGMENTO A PARTIR DE UMA EXTENSAO DE UM INVOLUCRO EM FORMA DE TUBO

Em AnáliseInvention Patent

Application data

Number

PI7900375

Type

Invention Patent

Filing

01/23/1978

Publication

-

Progress at the INPI

  1. Filing01/23/78
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Terminated06/14/88

The patent was granted on 04/24/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEVRO INC

Inventors

Z. F. (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

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

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