Patent US2672744A successfully refreshed from Google Patents.
US2672744A
Expired / Lapsed
US
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Wobbling basket type clotheswashing machine
Assignee: Apex Electrical Manufacturing Co
•
Filing: 1947-06-28
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Granted: 1954-03-23
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Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 James B Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
D; D06; D06F; D06F23/00; D06F23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US924979A
Cited
US1330801A
Cited
US1553282A
Cited
US1648530A
Cited
US1602138A
Cited
US1766213A
Cited
US1777662A
Cited
US1737480A
Cited
US2033146A
Cited
DE556791C
Cited
US2109620A
Cited
US2241646A
Cited
US2137540A
Cited
US2350218A
Cited
US2331700A
Cited
US2407660A
Cited
US2276147A
Cited
US2341729A
Cited
US2533722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |