US2601448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ironer roll cover
Assignee: Callaway Mills Co
•
Filing: 1949-08-27
•
Granted: 1952-06-24
•
Expires: 1969-08-27
Abstract
No abstract record available.
Inventors
- 👤 Seth A T Newsom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:25
CPC Classifications
D; D06; D06F; D06F83/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327038A
Cited
US873652A
Cited
US1332892A
Cited
US1347413A
Cited
GB315954A
Cited
US1901949A
Cited
US1941382A
Cited
US1973044A
Cited
US2074313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |