US2459123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heating device with corrosion protective anode
Assignee: Cleveland Heater Co
•
Filing: 1946-09-10
•
Granted: 1949-01-11
•
Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert T Bates
- 👤 Daniel J Fergus
- 👤 Albert F Craver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14; F; F24; F24D; F24D19/00; F24D19/0092; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/106; F24H9/00; F24H9/40; F24H9/45; F24H9/455; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10S29/00; Y10S29/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |