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Official data from INPI

PROCESSO,E,DISPOSITIVO PARA O ENCALCAMENTO DE PONTAS DE TUBOS,ESPECIALMENTE PARA CONJUNTOS ARTICULADOS DE TUBULACOES DE SONDAGEM COM CONEXOES DE PRE-SOLDAGEM

ArquivadaInvention Patent

Application data

Number

PI7803781

Type

Invention Patent

Filing

03/23/1978

Publication

-

Progress at the INPI

  1. Filing03/23/78
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Abandoned
  6. In force

The application was allowed on 08/17/1982 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/12/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LAEIS WERKE AG

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/12/1983

RPI 664

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Deferimento

#9.1

08/17/1982

RPI 617

6.2

01/12/1982

RPI 586

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