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Official data from INPI

FONTE DE CORRENTE

Arquivada/ExtintaInvention PatentPCT · US1989001939

Application data

Number

PI8907427

Type

Invention Patent

Filing

05/04/1989

Publication

04/02/1991

PCT

US1989001939

Progress at the INPI

  1. Filing05/04/89
  2. Publication04/02/91
  3. Examination12/10/91
  4. Allowance09/06/94
  5. Grant04/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rosemount Inc

US

Rosemount Inc.

US

See this company's full portfolio

Inventors

C. G. (pessoa física)

US

G. G. (pessoa física)

US

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

193,353 · 05/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/05/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

Notificação de entrada na fase nacional - PCT

#1.3

04/02/1991

RPI 1061

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