US479499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channeling-tool for rocks
Assignee: —
•
Filing: —
•
Granted: 1892-07-26
•
Expires: 1909-07-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/24
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) | 1895-07-26 | 1896-01-25 | 1896-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-07-26 | 1900-01-25 | 1900-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-07-27 | 1904-01-26 | 1904-07-27 | $7700.00 | Window Closed / Lapsed |