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US3054205A Expired / Lapsed US ⏱️ 0.0 years remaining

Letterplate assembly for fluorescent tubes

Assignee: Individual
•
Filing: 1960-07-11
•
Granted: 1962-09-18
•
Expires: 1980-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Sierpin Stanis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:50
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE493601A Cited
CA572555A Cited
US2583939A Cited
FR1057547A Cited
US2740216A Cited
US2893148A Cited
US2928198A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-17 1966-03-19 1966-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-17 1970-03-19 1970-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-17 1974-03-19 1974-09-18 $7700.00 Window Closed / Lapsed

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