US874455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rock-drill.
Assignee: Individual
•
Filing: 1907-07-12
•
Granted: 1907-12-24
•
Expires: 1927-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick Victor William Swanton
- 👤 Burt Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/62; E21B10/627; E21B10/633; Y; Y10; Y10T; Y10T279/00; Y10T279/17
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) | 1910-12-23 | 1911-06-24 | 1911-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-12-23 | 1915-06-24 | 1915-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-12-23 | 1919-06-24 | 1919-12-24 | $7700.00 | Window Closed / Lapsed |