US2407549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface coating tissue paper with thermoresponsive resins
Assignee: Individual
•
Filing: 1943-03-11
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Granted: 1946-09-10
•
Expires: 1963-03-11
Abstract
No abstract record available.
Inventors
- 👤 Gurwick Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:47
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/64; B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; D21H5/00; D21H5/0005; D21H5/0025; D21H5/004; D21H27/00; D21H27/002
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) | 1949-09-09 | 1950-03-11 | 1950-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-09 | 1954-03-11 | 1954-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-09 | 1958-03-11 | 1958-09-10 | $7700.00 | Window Closed / Lapsed |