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Official data from INPI

BOMBAS DE ANEL LÍQUIDO COM FORROS ROTATÓRIOS

ArquivadaInvention PatentPCT · US1994000207

Application data

Number

PI9403530

Type

Invention Patent

Filing

01/06/1994

Publication

06/15/1999

PCT

US1994000207

Progress at the INPI

  1. Filing01/06/94
  2. Publication06/15/99
  3. Examination
  4. Allowance11/09/99
  5. Abandoned
  6. In force

The application was allowed on 11/09/1999 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: 03/06/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Nash Engineering Company

US

See this company's full portfolio

Inventors

H. H. (pessoa física)

US

K. H. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

US

004448 · 01/14/1993

Abstract

Patente de Invenção: ''BOMBAS DE ANEL LÍQUIDO COM FORROS ROTATÓRIOS'' . As bombas de anel líquido têm uma folga anular substancialmente preenchida com gás comprimido entre a carcaça estacionária e um forro rotatório no interior da carcaça. O gás comprimido proporciona um mancal de gás que suporta o forro para rotação em relação à carcaça.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

03/06/2001

RPI 1574

Deferimento

#9.1

11/09/1999

RPI 1505

Notificação de entrada na fase nacional - PCT

#1.3

06/15/1999

RPI 1484

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