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

RECALCADORA DE VIAS FERREAS

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8207046

Type

Invention Patent

Filing

12/10/1981

Publication

10/11/1983
View on INPI

Progress at the INPI

  1. Filing12/10/81
  2. Publication10/11/83
  3. Examination01/10/84
  4. Allowance01/07/86
  5. Grant06/24/86
  6. Terminated04/11/95

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIG SCHWEIZ INDUSTRIEGES [CH]

Inventors

G. J. (pessoa física)

Technical data

IPC Classification

E01B 27/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

8.1

09/24/1985

RPI 779

6.2

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

Related

Patent monitoring

Track this patent in real time.

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