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US992994A Expired / Lapsed US ⏱️ 0.0 years remaining

Reinforced i-beam.

Assignee: CLINTON WIRE CLOTH Co
•
Filing: 1910-03-04
•
Granted: 1911-05-23
•
Expires: 1930-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert L Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:22
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/293; E04C3/294; E04C3/04; E04C2003/0404; E04C2003/0443; E04C2003/0473

Claims Analysis

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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) 1914-05-22 1914-11-21 1915-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-05-22 1918-11-21 1919-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-05-22 1922-11-21 1923-05-23 $7700.00 Window Closed / Lapsed

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