US2554566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control means for automatic cleansing apparatus
Assignee: Whirlpool Corp
•
Filing: 1945-01-22
•
Granted: 1951-05-29
•
Expires: 1965-01-22
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
- 👤 Ringer Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:27
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/06; D06F34/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1670611A
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US1145858A
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US1355797A
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US2019766A
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US2161208A
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US2236748A
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US2331897A
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US2276147A
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US2391561A
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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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |