Patent US2454198A successfully refreshed from Google Patents.
US2454198A
Expired / Lapsed
US
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Automatic control for washing machines
Assignee: Individual
•
Filing: 1944-07-19
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Granted: 1948-11-16
•
Expires: 1964-07-19
Abstract
No abstract record available.
Inventors
- 👤 Phillip M Pappas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:40
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0076; A47L15/0081; A47L15/42; A47L15/4251; A47L15/4257; A47L15/4259
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) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |