US2598173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calendered crinkled paper and process of manufacture
Assignee: Individual
•
Filing: 1947-06-28
•
Granted: 1952-05-27
•
Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand W Humphner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:40
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/12; D; D06; D06J; D06J1/00; D06J1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24777
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US545354A
Cited
US1301605A
Cited
US1361970A
Cited
US1507372A
Cited
US2158087A
Cited
US2029390A
Cited
US2081308A
Cited
US2021106A
Cited
US2207122A
Cited
US2305470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |