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Official data from INPI

DISPOSITIVO APERFEICOADO PARA MEDICAO DE TEMPERATURA E/OU RETIRADA DE AMOSTRA EM INSTALACOES DE DESGASIFICACAO DE METAL,SOB REGIME DE VACUO

Arquivada/ExtintaUtility Model

Application data

Number

MU5600054

Type

Utility Model

Filing

01/18/1975

Publication

-

Progress at the INPI

  1. Filing01/18/75
  2. Publication
  3. Examination
  4. Allowance10/06/81
  5. Grant06/29/82
  6. Expired08/12/86

The letters patent expired on 08/12/1986: 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: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

H. H. (pessoa física)

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/12/1986

RPI 825

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

Deferimento

#9.1

10/06/1981

RPI 572

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