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US2488349A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric weighing apparatus

Assignee: Cox & Stevens Aircraft Corp
•
Filing: 1944-06-10
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Granted: 1949-11-15
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Expires: 1964-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur L Thurston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:30
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/12; G01G3/14; G01G3/142; G01G3/1402; G01G3/1404; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2218

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US566698A Cited
US1435603A Cited
US1865446A Cited
US1972578A Cited
US2090188A Cited
DE658570C Cited
US2050106A Cited
US2252464A Cited
US2322319A Cited
US2362589A Cited
US2336500A Cited
US2360886A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-11-14 1953-05-16 1953-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-11-14 1957-05-16 1957-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-11-14 1961-05-16 1961-11-15 $7700.00 Window Closed / Lapsed

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