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Official data from INPI

FERRAMENTA RETIFICADORA DE MÚLTIPLO CORTE.

Em AnáliseInvention Patent

Application data

Number

PI8107628

Type

Invention Patent

Filing

11/24/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing11/24/81
  2. Publication08/24/82
  3. Examination03/22/83
  4. Allowance08/21/84
  5. Grant04/30/85
  6. Terminated06/21/88

The patent was granted on 04/30/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ernst Winter & Sohn (Gmbh & Co.)

DE

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 44 252.5 · 11/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

04/30/1985

RPI 758

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

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

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