Patent US1610751A successfully refreshed from Google Patents.
US1610751A
Expired / Lapsed
US
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Electric boiler and method of operation
Assignee: General Electric Co
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Filing: 1924-02-19
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Granted: 1926-12-14
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Expires: 1944-02-19
Abstract
No abstract record available.
Inventors
- 👤 Dantsizen Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:17
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/28; F22B1/30; F22B1/303
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) | 1929-12-13 | 1930-06-14 | 1930-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-13 | 1934-06-14 | 1934-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-13 | 1938-06-14 | 1938-12-14 | $7700.00 | Window Closed / Lapsed |