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US1243740A Expired / Lapsed US ⏱️ 0.0 years remaining

Mail-marking machine.

Assignee: COLUMBIA POSTAL SUPPLY Co
•
Filing: 1914-03-31
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Granted: 1917-10-23
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Expires: 1934-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 August Ielfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:19
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/12; B41K3/121; B41K3/123

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1920-10-22 1921-04-23 1921-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-10-22 1925-04-23 1925-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-10-22 1929-04-23 1929-10-23 $7700.00 Window Closed / Lapsed

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