US2477820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothes drier
Assignee: AO Smith Corp
•
Filing: 1945-11-05
•
Granted: 1949-08-02
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Pokras Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:35
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1075382A
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US1424994A
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US1575917A
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US1593004A
Cited
US2024459A
Cited
US2041318A
Cited
US2314748A
Cited
US2262186A
Cited
US2389433A
Cited
US2424737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |