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

PNEUMATICO DE MATERIAL ELASTICO NAO ARMADO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI7901137

Type

Invention Patent

Filing

02/21/1978

Publication

-
View on INPI

Progress at the INPI

  1. Filing02/21/78
  2. Publication
  3. Examination11/24/81
  4. Allowance08/02/83
  5. Grant03/27/84
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICHELIN & CIE

See this company's full portfolio

Inventors

H. Y. (pessoa física)

Technical data

IPC Classification

B29H 17/00B60C 5/04B60C 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/25/1988

RPI 940

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

Related

Patent monitoring

Track this patent in real time.

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