US1596775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined suction and pressure drum for pulp, cellulose, and the like
Assignee: Individual
•
Filing: 1926-05-04
•
Granted: 1926-08-17
•
Expires: 1946-05-04
Abstract
No abstract record available.
Inventors
- 👤 Stephansen Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/10; D21F3/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-08-16 | 1930-02-15 | 1930-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-16 | 1934-02-15 | 1934-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-16 | 1938-02-15 | 1938-08-17 | $7700.00 | Window Closed / Lapsed |