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US3370454A Expired / Lapsed US ⏱️ 0.0 years remaining

Constant temperature bath for calibrating immersion type instruments

Assignee: TENNEY ENGINEERING Inc
•
Filing: 1965-11-24
•
Granted: 1968-02-27
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Expires: 1985-11-24
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Abstract

No abstract record available.

Inventors

  • 👤 Fernando E Flores

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:30
CPC Classifications
G; G01; G01K; G01K15/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3177699A Cited
US3263740A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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