US2550326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing
Assignee: Jones Graphic Products Co
•
Filing: 1949-01-12
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Granted: 1951-04-24
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03; B41N3/038; B41N3/036; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C2210/00; B41C2210/04; B41C2210/14; B41C2210/20; B41C2210/24; B41C2210/26; B41C2210/266; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2230981A
Cited
US2311889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |