Patent US2302923A successfully refreshed from Google Patents.
US2302923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water level control for washing machines and the like
Assignee: Prosperity Co Inc
•
Filing: 1940-03-19
•
Granted: 1942-11-24
•
Expires: 1960-03-19
Abstract
No abstract record available.
Inventors
- 👤 Zimarik Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/087; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729; Y10T137/7358; Y10T137/7368; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-11-23 | 1946-05-25 | 1946-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-23 | 1950-05-25 | 1950-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-23 | 1954-05-25 | 1954-11-24 | $7700.00 | Window Closed / Lapsed |