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Official data from INPI

LANTERNA DE PROJEÇÃO CATADIÓPTRICA

Em AnáliseInvention PatentPCT · US1988002237

Application data

Number

PI8807123

Type

Invention Patent

Filing

07/01/1988

Publication

10/17/1989

PCT

US1988002237

Progress at the INPI

  1. Filing07/01/88
  2. Publication10/17/89
  3. Examination02/01/90
  4. Allowance
  5. Grant
  6. In force

Published on 10/17/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Spectra, Inc

US

See this company's full portfolio

Inventors

K. F. (pessoa física)

US

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

072.116 · 07/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Retificação

#15.3

10/24/1995

RPI 1299

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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