US2401235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer means
Assignee: ThyssenKrupp Budd Co
•
Filing: 1943-11-17
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Granted: 1946-05-28
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Expires: 1963-11-17
Abstract
No abstract record available.
Inventors
- 👤 Warren H Farr
- 👤 John P Tarbox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/04; F02F1/06; B; B21; B21C; B21C23/00; B21C23/001; B21C23/02; B21C23/04; B21C23/14; B21C35/00; B21C35/02; B21C35/023; B21C37/00; B21C37/06; Y; Y10; Y10S; Y10S29/00; Y10S29/035; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/51; Y10T29/5184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-27 | 1949-11-26 | 1950-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-27 | 1953-11-26 | 1954-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-27 | 1957-11-26 | 1958-05-28 | $7700.00 | Window Closed / Lapsed |