US2660193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level control
Assignee: American Laundry Machinery Co
•
Filing: 1949-08-05
•
Granted: 1953-11-24
•
Expires: 1969-08-05
Abstract
No abstract record available.
Inventors
- 👤 Angus F Hanney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:47
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB327474A
Cited
US1936049A
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US2302923A
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US2305154A
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US2457874A
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US2518484A
Cited
US2592314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |