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Official data from INPI

PROCESSO E DISPOSITIVO PARA A FORMACAO DE ONDULADO EM TUBOS

Em AnáliseInvention Patent

Application data

Number

PI7800758

Type

Invention Patent

Filing

02/09/1978

Publication

-

Progress at the INPI

  1. Filing02/09/78
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant
  6. Terminated05/17/88

The patent was granted 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

20.7

12/03/1985

RPI 789

20.7

11/26/1985

RPI 788

20.7

11/12/1985

RPI 786

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B29D 23/01.

03/27/2018

RPI 2464

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