US3450197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchangers
Assignee: Valeo SE
•
Filing: 1966-02-03
•
Granted: 1969-06-17
•
Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Walter Fieni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:27
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/0535; F28D1/05366; F28D1/05375; F28D7/00; F28D7/10; F28F; F28F13/00; F28F13/06; F28F21/00; F28F21/06; F28F21/067; F28F27/00; F28F27/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US773388A
Cited
US2098830A
Cited
US2134665A
Cited
US2215173A
Cited
US2606006A
Cited
US2649698A
Cited
US2717049A
Cited
US2942858A
Cited
US3030782A
Cited
US3034770A
Cited
US3270807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |