Patent US2420463A successfully refreshed from Google Patents.
US2420463A
Expired / Lapsed
US
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Apparatus for washing cylinders
Assignee: AUTO CITY PLATING Co
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Filing: 1945-12-10
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Granted: 1947-05-13
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Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Cassin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/32; C; C23; C23G; C23G3/00; F; F02; F02B; F02B77/00; F02B77/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE222038C
Cited
US1317809A
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US955471A
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US1644385A
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DE389343C
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US2029424A
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FR789684A
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DE686751C
Cited
US2248530A
Cited
US2307816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |