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US2709216A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature control for electric blankets

Assignee: Knapp Monarch Co
•
Filing: 1952-01-03
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Granted: 1955-05-24
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Expires: 1972-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 James M Moran
  • 👤 Horace K Mackechnie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:25
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0205

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US919402A Cited
US1183814A Cited
US1528053A Cited
US2057902A Cited
US2477819A Cited
US2549095A Cited
US2592525A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-05-23 1958-11-22 1959-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-05-23 1962-11-22 1963-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-05-23 1966-11-22 1967-05-24 $7700.00 Window Closed / Lapsed

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