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US1101821A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric heating device.

Assignee: General Electric Co
•
Filing: 1912-06-07
•
Granted: 1914-06-30
•
Expires: 1932-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Tycho Van Aller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:32
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814; A47J37/0842; A47L; A47L15/00; A47L15/0018; A47L15/0021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1917-06-29 1917-12-29 1918-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-06-29 1921-12-29 1922-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-06-29 1925-12-29 1926-06-30 $7700.00 Window Closed / Lapsed

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