US2475737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor furnace with removable parts
Assignee: Coleman Co Inc
•
Filing: 1945-12-29
•
Granted: 1949-07-12
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Campbell Shirley Pollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:29
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340826A
Cited
US1591889A
Cited
US2073270A
Cited
US2200645A
Cited
US2263737A
Cited
US2392541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |