US2658372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine
Assignee: Apex Electrical Manufacturing Co
•
Filing: 1950-03-31
•
Granted: 1953-11-10
•
Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 James B Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:27
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/20; D06F37/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521858A
Cited
US1604748A
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US2224241A
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US2375635A
Cited
US2318806A
Cited
US2461643A
Cited
US2498420A
Cited
US2513844A
Cited
US2534194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |