US3020733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home appliance
Assignee: Whirlpool Corp
•
Filing: 1959-04-20
•
Granted: 1962-02-13
•
Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Earl F Hubacker
- 👤 John E Krug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:30
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D2317/00; F25D2317/06; F25D2317/061; F25D2317/068; F25D2317/0681; F25D2317/0683; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2259803A
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US2297581A
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US2425473A
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US2613507A
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US2630684A
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US2631438A
Cited
US2613508A
Cited
US2863300A
Cited
US2907180A
Cited
US2912834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |