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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8106922

Type

Invention Patent

Filing

10/27/1981

Publication

07/13/1982

Progress at the INPI

  1. Filing10/27/81
  2. Publication07/13/82
  3. Examination09/24/85
  4. Allowance08/26/86
  5. Grant04/28/87
  6. Terminated09/13/94

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. Schuler Gmbh

DE

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Inventors

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

07/13/1982

RPI 612

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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