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US2580948A Expired / Lapsed US ⏱️ 0.0 years remaining

Anchoring device for signposts

Assignee: Individual
•
Filing: 1950-11-15
•
Granted: 1952-01-01
•
Expires: 1970-11-15
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Abstract

No abstract record available.

Inventors

  • 👤 Paul C Pancake

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:01
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; E; E01; E01F; E01F9/00; E01F9/60; E01F9/658; E01F9/673; E01F9/685; E04; E04H; E04H12/00; E04H12/22; E04H12/2207; E04H12/2215; E04H12/223; F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/5393

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2546530A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-31 1955-07-02 1956-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-31 1959-07-02 1960-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-31 1963-07-02 1964-01-01 $7700.00 Window Closed / Lapsed

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