Patent US3549294A successfully refreshed from Google Patents.
US3549294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dishwashing machine with soak cycle
Assignee: Whirlpool Corp
•
Filing: 1970-03-25
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Granted: 1970-12-22
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Expires: 1990-03-25
Abstract
No abstract record available.
Inventors
- 👤 Robert R Kerr
- 👤 Ben J Vallor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:04
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125105A
Cited
US2151354A
Cited
US2385264A
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US2600541A
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US2664094A
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US2710819A
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US2676598A
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US3063459A
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US3049133A
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US3183120A
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FR1307875A
Cited
US3384098A
Cited
US3456462A
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US3498304A
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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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |