Patent US849445A successfully refreshed from Google Patents.
US849445A
Expired / Lapsed
US
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Attachment for supplying water to rock-drills.
Assignee: Individual
•
Filing: 1905-08-01
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Granted: 1907-04-09
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Expires: 1925-08-01
Abstract
No abstract record available.
Inventors
- 👤 Eustace Moriarty Weston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:25
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/01; B; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17111
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) | 1910-04-08 | 1910-10-08 | 1911-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-08 | 1914-10-08 | 1915-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-08 | 1918-10-08 | 1919-04-09 | $7700.00 | Window Closed / Lapsed |