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US1438674A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheave attachment

Assignee: GURNEY ELEVATOR Co Inc
•
Filing: 1921-01-28
•
Granted: 1922-12-12
•
Expires: 1941-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Trumm Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 04:18
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/36; B66D2700/00; B66D2700/01; B66D2700/0183; B66D2700/0191; Y; Y10; Y10T; Y10T24/00; Y10T24/39

Claims Analysis

Total Claims: 0
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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) 1925-12-11 1926-06-12 1926-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-12-11 1930-06-12 1930-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-12-11 1934-06-12 1934-12-12 $7700.00 Window Closed / Lapsed

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