US2445504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fluid treating webs of fabric
Assignee: Individual
•
Filing: 1944-10-06
•
Granted: 1948-07-20
•
Expires: 1964-10-06
Abstract
No abstract record available.
Inventors
- 👤 Sumner H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:33
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/20; D06P; D06P1/00; D06P1/0004; D06P1/0008; D06P5/00; D06P5/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1029866A
Cited
US1402765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |