Patent US2410140A successfully refreshed from Google Patents.
US2410140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube assembly machine for heat-exchange cores
Assignee: Young Radiator Co
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Filing: 1945-04-23
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Granted: 1946-10-29
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Expires: 1965-04-23
Abstract
No abstract record available.
Inventors
- 👤 Fred M Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:10
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/4938; Y10T29/53; Y10T29/53113; Y10T29/53696; Y10T29/53961; Y10T29/53974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-28 | 1950-04-29 | 1950-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-28 | 1954-04-29 | 1954-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-28 | 1958-04-29 | 1958-10-29 | $7700.00 | Window Closed / Lapsed |