Patent US1023042A successfully refreshed from Google Patents.
Patent US2446693A successfully refreshed from Google Patents.
US2446693A
Expired / Lapsed
US
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Dishwashing machine
Assignee: Individual
•
Filing: 1942-01-05
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Granted: 1948-08-10
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Expires: 1962-01-05
Abstract
No abstract record available.
Inventors
- 👤 Harold G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:46
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4251; A47L15/4257; A47L15/4261; A47L15/02; A47L15/06; E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1269; E05F1/1276; F; F16; F16C; F16C11/00; F16C11/04; F16F; F16F15/00; F16F15/28; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/304; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7032; Y10T137/7039; Y10T137/8593; Y10T137/85946; Y10T137/86292; Y10T137/86324
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) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |