US2418239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum clothes drier including means for circulating the drying gas over the evaporator and condenser coils of a refrigerating device
Assignee: Maytag Corp
•
Filing: 1942-06-10
•
Granted: 1947-04-01
•
Expires: 1962-06-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:24
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119011A
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US1213999A
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US1531257A
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US1567710A
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FR562075A
Cited
US2130092A
Cited
US2050625A
Cited
US2108084A
Cited
US2335553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |