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US3458686A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric heating oven with heat circulation means

Assignee: Hobart Corp
•
Filing: 1967-04-13
•
Granted: 1969-07-29
•
Expires: 1987-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 John Gvozdjak

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:54
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/02; A21B1/24; A21B1/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US975107A Cited
US1001637A Cited
GB331593A Cited
US2919339A Cited
US2926655A Cited
US3261650A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-28 1973-01-27 1973-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-28 1977-01-27 1977-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-28 1981-01-27 1981-07-29 $7700.00 Window Closed / Lapsed

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