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Official data from INPI

MANÓMETRO.

IndeferidaInvention Patent

Application data

Number

PI8400936

Type

Invention Patent

Filing

02/28/1984

Publication

10/09/1984

Progress at the INPI

Under appeal
  1. Filing02/28/84
  2. Publication10/09/84
  3. Examination08/05/86
  4. Refused11/07/89
  5. Grant
  6. In force

The application was refused by the INPI on 11/07/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Industries, Inc

US

See this company's full portfolio

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

472.698 · 03/07/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/07/1989

RPI 994

Conhecimento de parecer técnico

#7.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

10/09/1984

RPI 729

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

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