US2932489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trussed radiator core-unit
Assignee: Young Radiator Co
•
Filing: 1958-04-28
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Granted: 1960-04-12
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Fred M Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:21
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/001; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |