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US2995848A Expired / Lapsed US ⏱️ 0.0 years remaining

Sign construction

Assignee: Individual
•
Filing: 1958-09-05
•
Granted: 1961-08-15
•
Expires: 1978-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 William H Yetman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:35
CPC Classifications
G; G09; G09F; G09F13/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1152146A Cited
US1536449A Cited
US1908393A Cited
US2027187A Cited
US2095291A Cited
US2113026A Cited
US2106331A Cited
US2140703A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-08-14 1965-02-13 1965-08-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-08-14 1969-02-13 1969-08-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-08-14 1973-02-13 1973-08-15 $7700.00 Window Closed / Lapsed

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