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US992898A
Expired / Lapsed
US
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Preparation of surfaces suitable for photo-engraving or photo-etching.
Assignee: Individual
•
Filing: 1909-03-05
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Granted: 1911-05-23
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Expires: 1929-03-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/04
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) | 1914-05-22 | 1914-11-21 | 1915-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-05-22 | 1918-11-21 | 1919-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-05-22 | 1922-11-21 | 1923-05-23 | $7700.00 | Window Closed / Lapsed |