US2596008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Joy Manufacturing Co
•
Filing: 1948-01-20
•
Granted: 1952-05-06
•
Expires: 1968-01-20
Abstract
No abstract record available.
Inventors
- 👤 Collins Samuel Cornette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:24
CPC Classifications
F; F25; F25J; F25J5/00; F25J5/002; F28; F28D; F28D9/00; F28D9/0031; F28D9/0037
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US750885A
Cited
FR808844A
Cited
US641992A
Cited
US1409967A
Cited
US1805652A
Cited
US1559180A
Cited
US2217567A
Cited
US2281752A
Cited
US2439208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |