US419071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling-machine
Assignee: —
•
Filing: —
•
Granted: 1890-01-07
•
Expires: 1907-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23B39/162; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3811; Y10T408/3828
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) | 1893-01-06 | 1893-07-08 | 1894-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-01-06 | 1897-07-08 | 1898-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-01-07 | 1901-07-09 | 1902-01-08 | $7700.00 | Window Closed / Lapsed |