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Official data from INPI

PRENSA DE TEMPO CURTO PARA O REVESTIMENTO DE PECAS PLANAS

Em AnáliseInvention Patent

Application data

Number

PI8101352

Type

Invention Patent

Filing

08/22/1980

Publication

08/17/1982

Progress at the INPI

  1. Filing08/22/80
  2. Publication08/17/82
  3. Examination08/28/84
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Terminated05/24/88

The patent was granted on 04/29/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WENHONER H GMBH & CO KG

Inventors

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

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