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Official data from INPI

PROCESSO PARA O RESFRIAMENTO INTERMITENTE DE HASTES DE AÇO, E, APARELHO PARA O TRATAMENTO CONTÍNUO, EM LINHA, DE ANÉIS DESLOCADOS DE HASTES LAMINADAS A QUENTE.

Em AnáliseInvention Patent

Application data

Number

PI8100092

Type

Invention Patent

Filing

01/08/1981

Publication

-

Progress at the INPI

  1. Filing01/08/81
  2. Publication
  3. Examination08/16/83
  4. Allowance07/24/90
  5. Grant02/13/91
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Morgan Construction Company

US

See this company's full portfolio

Inventors

M. G. (pessoa física)

US

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

111.122 · 01/10/1980

US

215.331 · 12/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

10/04/1988

RPI 937

6.2

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

11/06/1990

RPI 1040

Deferimento

#9.1

07/24/1990

RPI 1025

Exigência - art. 36 da LPI

#6.1

01/09/1990

RPI 1001

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