US252704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined drill and countersink
Assignee: —
•
Filing: —
•
Granted: 1882-01-24
•
Expires: 1899-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:24
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/108; B23B51/1085; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/905; Y10T408/906
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) | 1885-01-23 | 1885-07-25 | 1886-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-01-23 | 1889-07-25 | 1890-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-01-23 | 1893-07-25 | 1894-01-24 | $7700.00 | Window Closed / Lapsed |