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US185883A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in battening for roofs

Assignee: —
•
Filing: —
•
Granted: 1877-01-02
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Expires: 1894-01-02
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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 2026-11-07 07:49
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6145; E04B1/6158; E04F; E04F15/00; E04F15/02; E04F15/04

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) 1880-01-02 1880-07-03 1881-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1884-01-02 1884-07-03 1885-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1888-01-02 1888-07-03 1889-01-02 $7700.00 Window Closed / Lapsed

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