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US1021230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater.
Assignee: General Electric Co
•
Filing: 1910-02-16
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Granted: 1912-03-26
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Expires: 1930-02-16
Abstract
No abstract record available.
Inventors
- 👤 Henry Price Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:08
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0271; H01; H01C; H01C1/00; H01C1/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
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) | 1915-03-26 | 1915-09-25 | 1916-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-03-26 | 1919-09-25 | 1920-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-03-26 | 1923-09-25 | 1924-03-26 | $7700.00 | Window Closed / Lapsed |