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US3046537A Expired / Lapsed US ⏱️ 0.0 years remaining

Indicator for ice and like substances

Assignee: Hazeltine Research Inc
•
Filing: 1959-09-18
•
Granted: 1962-07-24
•
Expires: 1979-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 Jennings B Dow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:44
CPC Classifications
G; G01; G01W; G01W1/00; G01W1/14; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2112826A Cited
US2395425A Cited
US2516768A Cited
US2454687A Cited
US2766421A Cited
US2929020A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-23 1966-01-22 1966-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-23 1970-01-22 1970-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-23 1974-01-22 1974-07-24 $7700.00 Window Closed / Lapsed

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