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US3580758A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for reproducing three-dimensional image

Assignee: Individual
•
Filing: 1968-05-08
•
Granted: 1971-05-25
•
Expires: 1988-05-08
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Abstract

Abstract A METHOD FOR REPRODUCING A THREE-DIMENSIONAL IMAGE COMPRISING THE STEPS OF PROJECTING ON AN OBJECT SCREENS EACH CONSISTING OF A PLURALITY OF PARALLEL LINES AS SCHEMATICALLY SHOWN IN FIG. 6-C, PHOTOGRAPHING SAID OBJECT O HAVING THE SHADES IN THE FORM OF CURVED LINES FORMED THEREUPON BY SAID PROJECTION SO AS TO RESOLVE THE SURFACE OF SAID OBJECT INTO A MULTITUDE OF CURVED LINES, THEREAFTER PROJECTING THUS OBTAINED PHOTOGRAPHS AND SAID SCREENS AT THE SAME TIME UPON A BODY OF CLAY, AND APPLYING CLAY TO OR REMOVING CLAY FROM SAID BODY IN SUCH A MANNER THAT SAID CURVED LINES ARE CONCENTRATED OR CONVERGED UPON THE SURFACE OF SAID BODY AND ARE APPEARING THERE AS STRAIGHT LINES, WHEN VIEWED FROM THE SCREEN SIDE.

Inventors

  • 👤 Isao Morioka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:17
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/0037

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-24 1974-11-23 1975-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-24 1978-11-23 1979-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-24 1982-11-23 1983-05-25 $7700.00 Window Closed / Lapsed

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