US2748433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for casting printing plates
Assignee: Individual
•
Filing: 1952-09-25
•
Granted: 1956-06-05
•
Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamin R Preston
- 👤 Donald A Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
B; B41; B41D; B41D3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US672859A
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US821845A
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US915021A
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US1698624A
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US2134827A
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GB498637A
Cited
US2182114A
Cited
US2177168A
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US2536692A
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US2442246A
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US2646601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |