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US1820593A
Expired / Lapsed
US
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Lithographic plate and process of preparation
Assignee: WADSWORTH WATCH CASE CO
•
Filing: 1925-01-22
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Granted: 1931-08-25
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Expires: 1945-01-22
Abstract
No abstract record available.
Inventors
- 👤 Murray C Beebe
- 👤 Harold V Herlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:54
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08; Y; Y10; Y10S; Y10S430/00; Y10S430/136
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) | 1934-08-24 | 1935-02-23 | 1935-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-24 | 1939-02-23 | 1939-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-24 | 1943-02-23 | 1943-08-25 | $7700.00 | Window Closed / Lapsed |