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US1684971A Expired / Lapsed US ⏱️ 0.0 years remaining

Measuring apparatus for paving machines

Assignee: THORMAN W ROSHOLT Co
•
Filing: 1927-10-31
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Granted: 1928-09-18
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Expires: 1947-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Thorman W Rosholt
  • 👤 Cederstrom Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:51
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/12; B28C7/122; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/8593; Y10T137/86236; Y10T137/87056

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1931-09-18 1932-03-19 1932-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-09-18 1936-03-19 1936-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-09-18 1940-03-19 1940-09-18 $7700.00 Window Closed / Lapsed

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