US2920469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for wash water storage and re-use system
Assignee: General Electric Co
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Filing: 1956-12-06
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Granted: 1960-01-12
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Wallace H Henshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/20; D06F34/00; D06F34/08; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |