US885392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-chuck.
Assignee: Individual
•
Filing: 1907-12-02
•
Granted: 1908-04-21
•
Expires: 1927-12-02
Abstract
No abstract record available.
Inventors
- 👤 Frank H Spets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:34
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/10741; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761
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) | 1911-04-21 | 1911-10-21 | 1912-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-04-21 | 1915-10-21 | 1916-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-04-21 | 1919-10-21 | 1920-04-21 | $7700.00 | Window Closed / Lapsed |