US2480337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating circuit for different voltages
Assignee: Motors Liquidation Co
•
Filing: 1945-03-19
•
Granted: 1949-08-30
•
Expires: 1965-03-19
Abstract
No abstract record available.
Inventors
- 👤 George C Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:04
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/08; A; A47; A47J; A47J27/00; A47J27/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306542A
Cited
US1830578A
Cited
US1934446A
Cited
US1956283A
Cited
US2025302A
Cited
US2157417A
Cited
US2277605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |