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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207848

Type

Invention Patent

Filing

07/15/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing07/15/82
  2. Publication08/30/83
  3. Examination03/19/85
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rosemount Inc

US

See this company's full portfolio

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Notificação de entrada na fase nacional - PCT

#1.3

08/30/1983

RPI 671

Carta-patente expirada

#21.1

Patente extinta em 15/07/97

07/01/2008

RPI 1956

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