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US2876385A Expired / Lapsed US ⏱️ 0.0 years remaining

Matrix glow tube indicator

Assignee: Unisys Corp
•
Filing: 1955-12-28
•
Granted: 1959-03-03
•
Expires: 1975-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 Leo R Landrey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:38
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/491

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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US2049763A Cited
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US2767350A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-02 1962-09-01 1963-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-02 1966-09-01 1967-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-02 1970-09-01 1971-03-03 $7700.00 Window Closed / Lapsed

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