Patent US2498885A successfully refreshed from Google Patents.
US2498885A
Expired / Lapsed
US
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Automatic clothes cleansing apparatus
Assignee: Whirlpool Corp
•
Filing: 1944-02-21
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Granted: 1950-02-28
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Expires: 1964-02-21
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
- 👤 Ringer Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:13
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729; Y10T137/7303; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |