US2571322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicolor printing
Assignee: Calico Printers Association Ltd
•
Filing: 1948-02-12
•
Granted: 1951-10-16
•
Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 Yelland Neil William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:08
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2253086A
Cited
US2185139A
Cited
US2185806A
Cited
US2278940A
Cited
US2375966A
Cited
US2253292A
Cited
US2415051A
Cited
US2413706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |