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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8103980

Type

Invention Patent

Filing

06/24/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing06/24/81
  2. Publication03/09/82
  3. Examination04/17/84
  4. Allowance01/02/85
  5. Grant07/30/85
  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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SWF Auto-Electric GmbH

DE

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Inventors

B. J. (pessoa física)

M. E. (pessoa física)

Z. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

03/31/1987

RPI 858

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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