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Patent US413384A successfully refreshed from Google Patents.
US413384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunneling-ram
Assignee: —
•
Filing: 1889-03-05
•
Granted: 1889-10-22
•
Expires: 1909-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:24
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/02; E; E21; E21D; E21D9/00; E21D9/001; E21D9/005
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) | 1892-10-21 | 1893-04-22 | 1893-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-10-21 | 1897-04-22 | 1897-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-10-22 | 1901-04-23 | 1901-10-23 | $7700.00 | Window Closed / Lapsed |