US43557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved mode of coating and bronzing metals
Assignee: —
•
Filing: —
•
Granted: 1864-07-12
•
Expires: 1881-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:54
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/106
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) | 1867-07-12 | 1868-01-11 | 1868-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-07-12 | 1872-01-11 | 1872-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-07-12 | 1876-01-11 | 1876-07-12 | $7700.00 | Window Closed / Lapsed |