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US319305A Expired / Lapsed US ⏱️ 0.0 years remaining

Angle-iron

Assignee: —
•
Filing: —
•
Granted: 1885-06-02
•
Expires: 1902-06-02
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 05:52
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/02; E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4709; Y10T428/00; Y10T428/12; Y10T428/12354; Y10T428/1241

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) 1888-06-01 1888-12-01 1889-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1892-06-01 1892-12-01 1893-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1896-06-01 1896-12-01 1897-06-02 $7700.00 Window Closed / Lapsed

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