US2485207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air control for tubular combustion chambers of oil burners
Assignee: Gilbarco Inc
•
Filing: 1948-11-05
•
Granted: 1949-10-18
•
Expires: 1968-11-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:46
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1413113A
Cited
US1650342A
Cited
US1817470A
Cited
US1618808A
Cited
US2072731A
Cited
US2066806A
Cited
US2168313A
Cited
FR863077A
Cited
US2447482A
Cited
US2457377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |