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US3585705A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming light guides

Assignee: Rank Organization Ltd
•
Filing: 1969-02-24
•
Granted: 1971-06-22
•
Expires: 1989-02-24
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Abstract

Abstract THE MANUFACTURE OF LIGHT GUIDES WHEREIN A CONTINUOUS FILAMENT IS WOUND ONTO A FORMER WHILST THERE IS RELATIVE MOVEMENT AXIALLY OF THE FORMER OF A FILAMENT GUIDE MEANS TO FORM AN ENDLESS BUNDLE OF FILAMENT LOOPS WHICH IS SEVERED APPROPRIATELY TO PRODUCE THE REQUIRED LIGHT GUIDE.

Inventors

  • 👤 William B Allan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:22
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/02; C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49801; Y10T29/4981

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) 1974-06-21 1974-12-21 1975-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-21 1978-12-21 1979-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-21 1982-12-21 1983-06-22 $7700.00 Window Closed / Lapsed

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