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Official data from INPI

PROCESSO DE SOLDA DE TUBO REVESTIDO E TUBO REVESTIDO, SOLDADO PELO DITO PROCESSO

ArquivadaInvention Patent

Application data

Number

PI8201384

Type

Invention Patent

Filing

03/15/1982

Publication

01/25/1983

Progress at the INPI

  1. Filing03/15/82
  2. Publication01/25/83
  3. Abandoned04/09/85
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal, Inc.

US

See this company's full portfolio

Inventors

E. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

244,351 · 03/16/1981

US

277,795 · 06/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/16/1986

RPI 843

Republicação - classificação IPC

#15.11

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

02/25/1986

RPI 801

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B23K 31/06.

03/27/2018

RPI 2464

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