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Official data from INPI

CONJUNTO ANULAR DE VEDAÇÃO DE CABEÇOTE DE POÇO SUBMARINO

PublicadaInvention Patent

Application data

Number

PI8801844

Type

Invention Patent

Filing

04/19/1988

Publication

11/22/1988

Progress at the INPI

  1. Filing04/19/88
  2. Publication11/22/88
  3. Examination01/29/91
  4. Allowance01/18/94
  5. Abandoned
  6. In force

The application was allowed on 01/18/1994 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cameron Iron Works USA, Inc

US

See this company's full portfolio

Inventors

S. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

044.411 · 04/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

09/20/1988

RPI 935

Arquivamento - Art. 38 §2° da LPI

#11.4

10/18/1994

RPI 1246

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

6.2

03/16/1993

RPI 1163

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

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