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US2495075A Expired / Lapsed US ⏱️ 0.0 years remaining

Switching device

Assignee: NCR Voyix Corp
•
Filing: 1947-07-19
•
Granted: 1950-01-17
•
Expires: 1967-07-19
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Mumma

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:13
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/01; G06F5/015; H; H03; H03K; H03K3/00; H03K3/78

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2402989A Cited
US2408086A Cited
US2404697A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-16 1953-07-18 1954-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-16 1957-07-18 1958-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-16 1961-07-18 1962-01-17 $7700.00 Window Closed / Lapsed

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