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

TUBO CORRUGADO.

ConcedidaInvention Patent

Application data

Number

PI8300453

Type

Invention Patent

Filing

01/31/1983

Publication

11/01/1983

Progress at the INPI

  1. Filing01/31/83
  2. Publication11/01/83
  3. Examination12/11/84
  4. Allowance07/02/85
  5. Grant12/31/85
  6. Terminated02/18/92

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gustav Wahler GmbH U. Co

DE

Gustav Wahler GMBH u. Co.

Inventors

D. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 11 027.9 · 03/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16L 9/06; F01N 7/08.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

Patent monitoring

Track this patent in real time.

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