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Official data from INPI

CALIBRE PARA MEDIR O ANGULO DA FACE LATERAL DE UM ANEL DE SEGMENTO CONICO

ConcedidaInvention Patent

Application data

Number

PI7701675

Type

Invention Patent

Filing

03/19/1976

Publication

-

Progress at the INPI

  1. Filing03/19/76
  2. Publication
  3. Examination
  4. Allowance10/20/81
  5. Grant07/27/82
  6. Terminated01/21/92

The patent was granted on 07/27/1982 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEALED POWER CORP

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Inventors

A. D. (pessoa física)

W. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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