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Official data from INPI

PORTADOR DE UNIDADES E PECA INICIAL PARA PORTADOR DE UNIDADES

ConcedidaInvention Patent

Application data

Number

PI8103916

Type

Invention Patent

Filing

06/24/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing06/24/80
  2. Publication03/09/82
  3. Examination02/28/84
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Terminated09/25/90

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MEAD CORP

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Inventors

W. K. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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