Patent US2521578A successfully refreshed from Google Patents.
US2521578A
Expired / Lapsed
US
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Washing machine for squeezing fabrics during the washing, rinsing, and drying cycles
Assignee: Murray Corp
•
Filing: 1943-09-11
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Granted: 1950-09-05
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Expires: 1963-09-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Haberstump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:36
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/20; D06F37/206; D06F29/00; D06F29/02; D06F37/26; D06F37/261; D06F37/263; D06F37/264; D06F37/266; D06F37/267; D06F37/269; D06F58/00; D06F58/02
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |