US3022550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home appliance
Assignee: Whirlpool Corp
•
Filing: 1959-08-11
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Granted: 1962-02-27
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Expires: 1979-08-11
Abstract
No abstract record available.
Inventors
- 👤 Leo G Beckett
- 👤 John T Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:11
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/087; B; B60; B60J; B60J10/00; B60J10/20; B60J10/24; B60J10/242; B60J10/246; B60J10/248; B60J10/30; B60J10/80; B60J10/86; Y; Y02; Y02B; Y02B40/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |