Patent US2592857A successfully refreshed from Google Patents.
US2592857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power agitated parts cleaning machine
Assignee: Individual
•
Filing: 1946-02-23
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Granted: 1952-04-15
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Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Earl L Chadwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/102; B08B3/045; B08B3/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US176304A
Cited
US1428528A
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US1543308A
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US1633669A
Cited
US1657310A
Cited
US1769165A
Cited
US2247993A
Cited
US2446693A
Cited
US2371394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |