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US2444770A Expired / Lapsed US ⏱️ 0.0 years remaining

Height computing apparatus

Assignee: General Electric Co
•
Filing: 1943-06-28
•
Granted: 1948-07-06
•
Expires: 1963-06-28
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Abstract

No abstract record available.

Inventors

  • 👤 George W Fyler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:40
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295; G06; G06G; G06G7/00; G06G7/12; G06G7/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1542534A Cited
US1154252A Cited
GB136180A Cited
GB164765A Cited
GB245034A Cited
US1986986A Cited
US1942193A Cited
US2080186A Cited
GB458274A Cited
US2198371A Cited
US2212799A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-07-06 1952-01-05 1952-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-07-06 1956-01-05 1956-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-07-06 1960-01-05 1960-07-06 $7700.00 Window Closed / Lapsed

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