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US2685633A Expired / Lapsed US ⏱️ 0.0 years remaining

Heater for electric toasters

Assignee: CAMFIELD Manufacturing Co
•
Filing: 1950-11-27
•
Granted: 1954-08-03
•
Expires: 1970-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 Henry L Olson
  • 👤 Robert A Miller
  • 👤 William F Hale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:09
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US494291A Cited
US533795A Cited
US598640A Cited
US1065015A Cited
US1102393A Cited
US1480084A Cited
US1533241A Cited
US1662652A Cited
US1645327A Cited
US1884825A Cited
US2151401A Cited
US2462607A Cited
US2548511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-08-02 1958-02-01 1958-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-08-02 1962-02-01 1962-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-08-02 1966-02-01 1966-08-03 $7700.00 Window Closed / Lapsed

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