Patent US3460611A successfully refreshed from Google Patents.
US3460611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger of plate fin modules
Assignee: Motors Liquidation Co
•
Filing: 1967-10-06
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Granted: 1969-08-12
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Expires: 1987-10-06
Abstract
No abstract record available.
Inventors
- 👤 Floyd P Folsom
- 👤 Salvatore S Tramuta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:10
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0031; F28D9/0037; F28F; F28F3/00; F28F3/02; F28F3/025; F28F2250/00; F28F2250/10; F28F2250/104; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/356; Y10S165/373
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2216495A
Cited
US2236750A
Cited
US2368814A
Cited
US2875986A
Cited
US3212572A
Cited
US3313344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |