US803812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck for grinding joint-rings.
Assignee: Individual
•
Filing: 1904-10-08
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Granted: 1905-11-07
•
Expires: 1924-10-08
Abstract
No abstract record available.
Inventors
- 👤 William A Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:20
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1033; Y10T279/1037; Y10T279/1041; Y10T279/17; Y10T279/17564; Y10T279/27; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
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) | 1908-11-06 | 1909-05-08 | 1909-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-06 | 1913-05-08 | 1913-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-06 | 1917-05-08 | 1917-11-07 | $7700.00 | Window Closed / Lapsed |