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Official data from INPI

APARELHO E MÉTODO PARA USO EM UM SISTEMA MEDIDOR DE FLUXO DE MASSA CORIOLIS

Arquivada/ExtintaInvention PatentPCT · US1987002340

Application data

Number

PI8707826

Type

Invention Patent

Filing

09/15/1987

Publication

10/31/1989

PCT

US1987002340

Progress at the INPI

  1. Filing09/15/87
  2. Publication10/31/89
  3. Examination05/08/90
  4. Allowance10/13/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Micro Motion, Inc

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

US

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

915.345 · 10/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 15/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

20.10

05/25/1993

RPI 1173

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

Deferimento

#9.1

10/13/1992

RPI 1141

Exigência - art. 36 da LPI

#6.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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