Patent US2646223A successfully refreshed from Google Patents.
US2646223A
Expired / Lapsed
US
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Ice shaving machine
Assignee: QSK PRODUCTS Inc
•
Filing: 1950-04-01
•
Granted: 1953-07-21
•
Expires: 1970-04-01
Abstract
No abstract record available.
Inventors
- 👤 Quintilian Bartholomew Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:23
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/12; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1072193A
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US1172558A
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US1333094A
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US1449917A
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US2033903A
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US2181000A
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US2397124A
Cited
US2393017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |