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US978234A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for the manufacture of cellular boards.

Assignee: CHARLES BOLDT Co
•
Filing: 1909-04-23
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Granted: 1910-12-13
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Expires: 1929-04-23
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas H Taylor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 18:14
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/2877; B31F1/2881; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317

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) 1913-12-12 1914-06-13 1914-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-12-12 1918-06-13 1918-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-12-12 1922-06-13 1922-12-13 $7700.00 Window Closed / Lapsed

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