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Official data from INPI

EQUIPAMENTO PARA RETIRAR PENUGEM DO CASULO DO BICHO-DA-SEDA.

ConcedidaInvention Patent

Application data

Number

PI8004783

Type

Invention Patent

Filing

07/30/1980

Publication

03/30/1982

Progress at the INPI

  1. Filing07/30/80
  2. Publication03/30/82
  3. Examination07/27/82
  4. Allowance05/15/84
  5. Grant12/26/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fiação de Seda Bratac S/A.

SP, BR

Inventors

H. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

07/27/1982

RPI 614

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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