Patent US2498615A successfully refreshed from Google Patents.
US2498615A
Expired / Lapsed
US
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Endless band blade cake slicing machine
Assignee: Purity Res & Dev Corp
•
Filing: 1945-09-04
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Granted: 1950-02-21
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Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Copenhaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:51
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/46; Y; Y10; Y10T; Y10T83/00; Y10T83/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US762940A
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US1453335A
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US1665888A
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US1640951A
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US1590708A
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US1993899A
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US1916596A
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US2126226A
Cited
US2173336A
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US2380564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |