US685713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic drilling-machine.
Assignee: EDWARD P ARMSTRONG
•
Filing: 1899-07-06
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Granted: 1901-10-29
•
Expires: 1919-07-06
Abstract
No abstract record available.
Inventors
- 👤 George W Cilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:16
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/14; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3833; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T74/2149
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) | 1904-10-28 | 1905-04-29 | 1905-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-10-28 | 1909-04-29 | 1909-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-10-28 | 1913-04-29 | 1913-10-29 | $7700.00 | Window Closed / Lapsed |