Patent US252068A successfully refreshed from Google Patents.
US252068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for tapping and reaming
Assignee: —
•
Filing: —
•
Granted: 1882-01-10
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Expires: 1899-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:38
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/20; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3784; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8583; Y10T408/85843
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) | 1885-01-09 | 1885-07-11 | 1886-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-01-09 | 1889-07-11 | 1890-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-01-09 | 1893-07-11 | 1894-01-10 | $7700.00 | Window Closed / Lapsed |