Patent US2918927A successfully refreshed from Google Patents.
US2918927A
Expired / Lapsed
US
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Transfer valve
Assignee: Whirlpool Corp
•
Filing: 1956-05-10
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Granted: 1959-12-29
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Expires: 1976-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jack F Clearman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:13
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4219; A47L15/4221; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US287033A
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DE53083C
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US1080027A
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US1675231A
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US1654355A
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US1897821A
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US2471506A
Cited
US2575493A
Cited
US2682880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |