Patent US2517370A successfully refreshed from Google Patents.
US2517370A
Expired / Lapsed
US
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Fin assembly machine for heatexchange cores
Assignee: Young Radiator Co
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Filing: 1945-05-14
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Granted: 1950-08-01
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Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Fred M Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:01
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/4938; Y10T29/53; Y10T29/53039; Y10T29/53061; Y10T29/53113; Y10T29/53478; Y10T29/53978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US794146A
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US1490594A
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US1570592A
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US1695233A
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US1919238A
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US2059546A
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US2090697A
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US2110923A
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US2258618A
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US2307194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |