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US798300A
Expired / Lapsed
US
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Electrical water-heater.
Assignee: Individual
•
Filing: 1905-02-14
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Granted: 1905-08-29
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Expires: 1925-02-14
Abstract
No abstract record available.
Inventors
- 👤 Eli E Sager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/103
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) | 1908-08-28 | 1909-02-27 | 1909-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-28 | 1913-02-27 | 1913-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-28 | 1917-02-27 | 1917-08-29 | $7700.00 | Window Closed / Lapsed |