US727361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical water-heater.
Assignee: HILL ELECTRICAL MANUFACTURING Co
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Filing: 1902-05-10
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Granted: 1903-05-05
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Expires: 1922-05-10
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:08
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/106
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) | 1906-05-04 | 1906-11-03 | 1907-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-04 | 1910-11-03 | 1911-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-04 | 1914-11-03 | 1915-05-05 | $7700.00 | Window Closed / Lapsed |