(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8100877

Type

Invention Patent

Filing

02/13/1981

Publication

-

Progress at the INPI

  1. Filing02/13/81
  2. Publication
  3. Examination09/20/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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- Eletric GmbH.

DE

Inventors

B. K. (pessoa física)

R. C. (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

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.