US2485088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger reinforcing means
Assignee: Garrett Corp
•
Filing: 1945-02-05
•
Granted: 1949-10-18
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:16
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/02; F28F1/06; F28D; F28D9/00; F28D9/0012; F28D9/0018; F28F2250/00; F28F2250/10; F28F2250/108; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970824A
Cited
US2378781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |