Patent US2686249A successfully refreshed from Google Patents.
US2686249A
Expired / Lapsed
US
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Immersion type hot water heater
Assignee: JAMES M HOAGUE
•
Filing: 1951-12-26
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Granted: 1954-08-10
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Expires: 1971-12-26
Abstract
No abstract record available.
Inventors
- 👤 James M Hoague
- 👤 Floy B Hoague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:04
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/78; H05B3/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US907109A
Cited
US1456907A
Cited
US1446807A
Cited
US1508130A
Cited
US1529200A
Cited
US1985831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |