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US3556635A Expired / Lapsed US ⏱️ 0.0 years remaining

Fiber optic bundle

Assignee: Dow Chemical Co
•
Filing: 1967-05-23
•
Granted: 1971-01-19
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Expires: 1987-05-23
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Abstract

Abstract A THERMOPLASTIC FIBER OPTIC BUNDLE IS PROVIDED BY SIMULTANEOUS EXTRUSION OF MATRIX, JACKET AND LIGHT CONDUCTING FIBERS TO PROVIDE FIBER OPTIC BUNDLES OF VARYING DEGREES OF STIFFNESS, FLEXIBILITY AND RESOLUTION.

Inventors

  • 👤 Walter J Schrenk
  • 👤 Douglas S Chisholm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:02
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4479; G02B6/448; B; B29; B29C; B29C48/00; B29C48/03; B29C48/12; B29C48/05; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933

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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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