US2461632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of nitrating cellulose lacebacking fabrics
Assignee: Individual
•
Filing: 1947-01-24
•
Granted: 1949-02-15
•
Expires: 1967-01-24
Abstract
No abstract record available.
Inventors
- 👤 Datlow Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:03
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/58; D06M11/64; D06M11/68; D06M11/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |