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Official data from INPI

APARELHO PARA A FUNDIÇÃO CONTÍNUA DE MATERIAL EM TIRAS.

ConcedidaInvention Patent

Application data

Number

PI8102819

Type

Invention Patent

Filing

05/07/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing05/07/81
  2. Publication08/24/82
  3. Examination10/02/84
  4. Allowance05/07/85
  5. Grant10/29/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

J. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

193.766 · 10/03/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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