Patent US2628455A successfully refreshed from Google Patents.
US2628455A
Expired / Lapsed
US
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Cleaning apparatus for castings and the like
Assignee: Hydro Blast Corp
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Filing: 1949-06-08
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Granted: 1953-02-17
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Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Roderick S Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:33
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/02; B24C3/06; B24C3/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1928621A
Cited
US1882541A
Cited
US1857188A
Cited
US2063054A
Cited
US2104062A
Cited
US2323744A
Cited
US2440222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |