US894323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric water-heater.
Assignee: Individual
•
Filing: 1908-04-02
•
Granted: 1908-07-28
•
Expires: 1928-04-02
Abstract
No abstract record available.
Inventors
- 👤 Frank E Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:40
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102
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) | 1911-07-28 | 1912-01-27 | 1912-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-28 | 1916-01-27 | 1916-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-28 | 1920-01-27 | 1920-07-28 | $7700.00 | Window Closed / Lapsed |