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US92551A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in lightning-rods

Assignee: —
•
Filing: —
•
Granted: 1869-07-13
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Expires: 1886-07-13
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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 2026-10-29 09:52
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B; B60; B60C; B60C9/00; B60C9/0007; H; H05; H05B; H05B3/00; H05B3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12375; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917

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) 1872-07-12 1873-01-11 1873-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1876-07-12 1877-01-11 1877-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1880-07-12 1881-01-11 1881-07-13 $7700.00 Window Closed / Lapsed

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