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US2556918A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: ERNEST G WOLESLAGEL
•
Filing: 1947-11-28
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Granted: 1951-06-12
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Expires: 1967-11-28
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Abstract

No abstract record available.

Inventors

  • 👤 Willard F Hampton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:10
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5792; Y10T70/5796; Y10T70/5801

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US842834A Cited
US1154499A Cited
US1358211A Cited
US1668553A Cited
GB334816A Cited
US2123808A Cited
US2268254A Cited
US2282213A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-06-11 1954-12-11 1955-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-06-11 1958-12-11 1959-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-06-11 1962-12-11 1963-06-12 $7700.00 Window Closed / Lapsed

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