US2974952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Registering mechanism for the accurate feed of sheets of paper to a printing device, particularly to duplicating machines
Assignee: Zeuthen and Aagaard AS
•
Filing: 1957-06-10
•
Granted: 1961-03-14
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Zeuthen Karl Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:11
CPC Classifications
B; B65; B65H; B65H9/00; B65H9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1023869A
Cited
US2214751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |