US2610267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil heater with means for preventing entrainment of fuel oil with the circulating medium
Assignee: YULA WATER HEATERS Inc
•
Filing: 1951-02-28
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Granted: 1952-09-09
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Henry F Yula
- 👤 Ralph W Yula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |