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US2575688A
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Assignee: Maytag Corp
•
Filing: 1946-04-27
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Granted: 1951-11-20
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Expires: 1966-04-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:43
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/08; B01D3/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1650140A
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GB348244A
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US2044996A
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US2133819A
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US2317101A
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US2333712A
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US2317951A
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US2394293A
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US2404789A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |