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US1713249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater
Assignee: General Electric Co
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Filing: 1925-11-27
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Granted: 1929-05-14
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Expires: 1945-11-27
Abstract
No abstract record available.
Inventors
- 👤 Charles C Abbott
- 👤 Wilfred F Gelinas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:46
CPC Classifications
H; H05; H05B; H05B3/00
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) | 1932-05-13 | 1932-11-12 | 1933-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-13 | 1936-11-12 | 1937-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-13 | 1940-11-12 | 1941-05-14 | $7700.00 | Window Closed / Lapsed |