Patent US2443419A successfully refreshed from Google Patents.
US2443419A
Expired / Lapsed
US
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Laundry drying machine having plural compartments and a central air tube
Assignee: Individual
•
Filing: 1946-11-26
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Granted: 1948-06-15
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Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edward R Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:48
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02; D06F58/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677787A
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US1453711A
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US1655514A
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US1762594A
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US1986548A
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US2016552A
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US2098066A
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US2316669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |