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US2914736A Expired / Lapsed US ⏱️ 0.0 years remaining

Superconductor modulator

Assignee: International Business Machines Corp
•
Filing: 1957-09-30
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Granted: 1959-11-24
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Expires: 1977-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Donald R Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 15:39
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H01; H01P; H01P7/00; H01P7/06; H03; H03C; H03C7/00; H03C7/02; H03D; H03D9/00; H03D9/06; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/828; Y10S505/853

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2197123A Cited
US2725474A Cited
US2784378A Cited
US2798205A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-23 1963-05-25 1963-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-23 1967-05-25 1967-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-23 1971-05-25 1971-11-24 $7700.00 Window Closed / Lapsed

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