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US765561A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety controlling-gear for fluid-pressure engines.

Assignee: DAVY BROS Ltd
•
Filing: 1903-06-15
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Granted: 1904-07-19
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Expires: 1923-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Edward Crowe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:49
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/16; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1153

Claims Analysis

Total Claims: 0
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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) 1907-07-19 1908-01-18 1908-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1911-07-19 1912-01-18 1912-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1915-07-19 1916-01-18 1916-07-19 $7700.00 Window Closed / Lapsed

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