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US3473115A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for testing magnetostrictive delay lines by checking for signal coincidence between signal pulses and reference pulses in different phase positions of the reference pulses

Assignee: International Business Machines Corp
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Filing: 1966-12-30
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Granted: 1969-10-14
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Expires: 1986-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Burton L Oliver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:25
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/24; H04L1/248; G; G01; G01R; G01R29/00; G01R29/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3036272A Cited
US3325730A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-13 1973-04-14 1973-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-13 1977-04-14 1977-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-13 1981-04-14 1981-10-14 $7700.00 Window Closed / Lapsed

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