US2771646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix used in printing and method of making the same
Assignee: FRED W HOCH
•
Filing: 1951-06-07
•
Granted: 1956-11-27
•
Expires: 1971-06-07
Abstract
No abstract record available.
Inventors
- 👤 Eduard A Schaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:00
CPC Classifications
B; B41; B41N; B41N11/00; Y; Y10; Y10S; Y10S428/00; Y10S428/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |