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Official data from INPI

TUBEIRA EM UM APARELHO DE FUNDIÇÃO DE TIRAS.

ConcedidaInvention Patent

Application data

Number

PI8102818

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. Allowance07/08/86
  5. Grant02/03/87
  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: 02/03/1987. 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

185.825 · 09/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

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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