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Official data from INPI

APARELHO PARA FUNDICÇÃO CONTÍNUA DE MATERIAL EM TIRA.

ConcedidaInvention Patent

Application data

Number

PI8102823

Type

Invention Patent

Filing

05/07/1981

Publication

02/02/1982

Progress at the INPI

  1. Filing05/07/81
  2. Publication02/02/82
  3. Examination03/13/84
  4. Allowance08/12/86
  5. Grant06/02/87
  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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

148.440 · 05/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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