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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8007987

Type

Invention Patent

Filing

12/05/1980

Publication

-

Progress at the INPI

  1. Filing12/05/80
  2. Publication
  3. Examination10/06/81
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

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Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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