US2548651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control system for laundering apparatus
Assignee: Dole Valve Co
•
Filing: 1944-03-20
•
Granted: 1951-04-10
•
Expires: 1964-03-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Chace
- 👤 Clyde A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:54
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08; D06F34/28; D06F34/30; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1630305A
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US2064053A
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US1940549A
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US2287810A
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US2313928A
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US2321641A
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US2377551A
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US2321573A
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US2356816A
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US2346259A
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US2442886A
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |