US1811734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plate having mercurialized ink refusing areas for photomechanical printing
Assignee: WILLIAM Y DEAR
•
Filing: 1927-04-08
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Granted: 1931-06-23
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Expires: 1947-04-08
Abstract
No abstract record available.
Inventors
- 👤 Trist Arthur Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:04
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12986
Claims Analysis
Total Claims: 0
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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) | 1934-06-22 | 1934-12-22 | 1935-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-22 | 1938-12-22 | 1939-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-22 | 1942-12-22 | 1943-06-23 | $7700.00 | Window Closed / Lapsed |