Patent US2311889A successfully refreshed from Google Patents.
US2311889A
Expired / Lapsed
US
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Lithographic plate
Assignee: Individual
•
Filing: 1941-11-19
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Granted: 1943-02-23
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Expires: 1961-11-19
Abstract
No abstract record available.
Inventors
- 👤 Toland William Craig
- 👤 Bassist Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:41
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/04; B; B41; B41N; B41N3/00; B41N3/03; B41N3/036; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C2210/00; B41C2210/04; B41C2210/08; B41C2210/24
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) | 1946-02-22 | 1946-08-24 | 1947-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-22 | 1950-08-24 | 1951-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-22 | 1954-08-24 | 1955-02-23 | $7700.00 | Window Closed / Lapsed |