US2830798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow oil cooler having cross baffles
Assignee: Garrett Corp
•
Filing: 1953-02-13
•
Granted: 1958-04-15
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Soren K Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:07
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/001; F01; F01P; F01P11/00; F01P11/08; F28F9/22; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/405; Y10S165/411
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700498A
Cited
US1764200A
Cited
US1987604A
Cited
US2301665A
Cited
US2376198A
Cited
US2474689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |