US1022274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etching fluid for flat printing-plates of metal.
Assignee: Individual
•
Filing: 1911-11-02
•
Granted: 1912-04-02
•
Expires: 1931-11-02
Abstract
No abstract record available.
Inventors
- 👤 Otto Carl Strecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
H; H10; H10P; H10P52/00; H10P52/40; H10P52/403
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) | 1915-04-02 | 1915-10-02 | 1916-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-02 | 1919-10-02 | 1920-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-02 | 1923-10-02 | 1924-04-02 | $7700.00 | Window Closed / Lapsed |