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US2447338A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature responsive measuring system

Assignee: Elsag Bailey Inc
•
Filing: 1944-07-12
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Granted: 1948-08-17
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Expires: 1964-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony J Hornfeck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 12:42
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1779619A Cited
US1973279A Cited
US2113164A Cited
US1979311A Cited
US2173841A Cited
US2250712A Cited
US2358103A Cited
US2310955A Cited
US2350329A Cited
US2322498A Cited
US2367869A Cited
US2355567A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-08-17 1952-02-16 1952-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-08-17 1956-02-16 1956-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-08-17 1960-02-16 1960-08-17 $7700.00 Window Closed / Lapsed

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