US2044384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling of rolls
Assignee: Individual
•
Filing: 1936-01-11
•
Granted: 1936-06-16
•
Expires: 1956-01-11
Abstract
No abstract record available.
Inventors
- 👤 Clifford B Ferree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/667; C21D9/00; C21D9/38
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) | 1939-06-16 | 1939-12-16 | 1940-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-16 | 1943-12-16 | 1944-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-16 | 1947-12-16 | 1948-06-16 | $7700.00 | Window Closed / Lapsed |