US2887097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supplemental cooling system for engine radiators
Assignee: Individual
•
Filing: 1955-09-19
•
Granted: 1959-05-19
•
Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Sr Thomas W Huffman
- 👤 Jr Thomas W Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:47
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/18; F28; F28F; F28F9/00; F28F9/02; F28F9/0234
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307016A
Cited
US1296761A
Cited
US1948929A
Cited
US2008164A
Cited
US2264820A
Cited
US2539669A
Cited
US2591774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |