US2349634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for the impression rollers of duplicating machines
Assignee: Ditto Inc
•
Filing: 1941-10-25
•
Granted: 1944-05-23
•
Expires: 1961-10-25
Abstract
No abstract record available.
Inventors
- 👤 Morris P Neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:10
CPC Classifications
B; B41; B41L; B41L13/00; B41L13/04
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) | 1947-05-23 | 1947-11-22 | 1948-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-23 | 1951-11-22 | 1952-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-23 | 1955-11-22 | 1956-05-23 | $7700.00 | Window Closed / Lapsed |