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US2476099A Expired / Lapsed US ⏱️ 0.0 years remaining

Resistance thermometer bulb

Assignee: Lewis Engineering Co
•
Filing: 1947-02-26
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Granted: 1949-07-12
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Expires: 1967-02-26
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Abstract

No abstract record available.

Inventors

  • 👤 Knud J Knudsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:30
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/08; G01K7/00; G01K7/16; G01K7/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1974187A Cited
US2102030A Cited
US2149448A Cited
US2321846A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-07-11 1953-01-10 1953-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-07-11 1957-01-10 1957-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-07-11 1961-01-10 1961-07-12 $7700.00 Window Closed / Lapsed

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