Patent FR893054A successfully refreshed from Google Patents.
US726388A
Expired / Lapsed
US
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Drill-chuck.
Assignee: Individual
•
Filing: 1903-02-04
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Granted: 1903-04-28
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Expires: 1923-02-04
Abstract
No abstract record available.
Inventors
- 👤 Edward C Wysong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/1179; B23B31/005; B23B31/1177; B23B2231/00; B23B2231/02; B23B2231/0256; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T403/00; Y10T403/70
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) | 1906-04-27 | 1906-10-27 | 1907-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-04-27 | 1910-10-27 | 1911-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-04-27 | 1914-10-27 | 1915-04-28 | $7700.00 | Window Closed / Lapsed |