US714687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making lakes from sulfur dyes.
Assignee: HERMAN A METZ
•
Filing: 1902-04-05
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Granted: 1902-12-02
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Expires: 1922-04-05
Abstract
No abstract record available.
Inventors
- 👤 Emile A Fourneaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:31
CPC Classifications
C; C09; C09B; C09B63/00
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) | 1905-12-01 | 1906-06-02 | 1906-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-12-01 | 1910-06-02 | 1910-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-12-01 | 1914-06-02 | 1914-12-02 | $7700.00 | Window Closed / Lapsed |