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US1230205A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluctuation-damping means for rotatable members.

Assignee: AT&T Inc
•
Filing: 1915-03-22
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Granted: 1917-06-19
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Expires: 1935-03-22
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Abstract

No abstract record available.

Inventors

  • 👤 Harold William Nichols

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:05
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122

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) 1920-06-18 1920-12-18 1921-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-06-18 1924-12-18 1925-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-06-18 1928-12-18 1929-06-19 $7700.00 Window Closed / Lapsed

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