Patent US1751982A successfully refreshed from Google Patents.
US1751982A
Expired / Lapsed
US
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Washing and drying machine
Assignee: WHIRLDRY Corp
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Filing: 1924-11-15
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Granted: 1930-03-25
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Expires: 1944-11-15
Abstract
No abstract record available.
Inventors
- 👤 George W Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:05
CPC Classifications
D; D06; D06F; D06F15/00; F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/161; Y; Y10; Y10S; Y10S137/00; Y10S137/903; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135; Y10T137/7722; Y10T137/7837; Y10T137/7859
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-03-24 | 1933-09-23 | 1934-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-24 | 1937-09-23 | 1938-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-24 | 1941-09-23 | 1942-03-25 | $7700.00 | Window Closed / Lapsed |