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Official data from INPI

TUBO ESTÁTICO MÚLTIPLO MONTADO MONTANTE

ConcedidaInvention Patent

Application data

Number

PI8207780

Type

Invention Patent

Filing

06/24/1982

Publication

06/21/1983

Progress at the INPI

  1. Filing06/24/82
  2. Publication06/21/83
  3. Examination02/26/85
  4. Allowance04/29/86
  5. Grant11/25/86
  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.

Talk to a specialist

Latest action published by the INPI: 11/25/1986. 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

D. [. (pessoa física)

H. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

280,860 · 07/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

09/10/1985

RPI 777

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Retificação da notificação da fase nacional - PCT

#1.3.1

08/23/1983

RPI 670

Notificação de entrada na fase nacional - PCT

#1.3

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 24/06/97

07/01/2008

RPI 1956

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