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Official data from INPI

DISPOSITIVO DE INJECAO DE MATERIAS PLASTICAS, ELASTOMEROS OU OUTRAS MATERIAS ANALOGAS

ConcedidaInvention Patent

Application data

Number

PI8103431

Type

Invention Patent

Filing

06/01/1981

Publication

02/24/1982

Progress at the INPI

  1. Filing06/01/81
  2. Publication02/24/82
  3. Examination05/25/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pont-A-Mousson S.A.

FR

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Inventors

M. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B29F 1/06.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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