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Official data from INPI

CRIVO DE POÇO E PROCESSO PARA FORMAÇÃO DE UM CRIVO DE POÇO

ArquivadaInvention Patent

Application data

Number

PI8201365

Type

Invention Patent

Filing

03/12/1982

Publication

01/25/1983

Progress at the INPI

  1. Filing03/12/82
  2. Publication01/25/83
  3. Examination06/14/83
  4. Allowance07/14/87
  5. Abandoned
  6. In force

The application was allowed on 07/14/1987 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

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Inventors

H. B. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

244.382 · 03/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

05/17/1988

RPI 917

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

01/06/1987

RPI 846

6.2

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

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