Patent US1101821A successfully refreshed from Google Patents.
US1101821A
Expired / Lapsed
US
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Electric heating device.
Assignee: General Electric Co
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Filing: 1912-06-07
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Granted: 1914-06-30
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Expires: 1932-06-07
Abstract
No abstract record available.
Inventors
- 👤 Tycho Van Aller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:40
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 |