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Patent US2559472A successfully refreshed from Google Patents.
US2559472A
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US
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Pneumatic actuating means for metal parts washers
Assignee: Individual
•
Filing: 1947-10-30
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Granted: 1951-07-03
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Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles B Shanaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:50
CPC Classifications
C; C23; C23G; C23G3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US211865A
Cited
US1122887A
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US1292407A
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US1335853A
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US1771436A
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US1983931A
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US1934019A
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US2076262A
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GB426019A
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US2218880A
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US2174311A
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GB564885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |