US710012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring apparatus.
Assignee: Individual
•
Filing: 1900-07-06
•
Granted: 1902-09-30
•
Expires: 1920-07-06
Abstract
No abstract record available.
Inventors
- 👤 Adam L Ronaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:51
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/10; E21B25/14
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) | 1905-09-29 | 1906-03-31 | 1906-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-29 | 1910-03-31 | 1910-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-29 | 1914-03-31 | 1914-09-30 | $7700.00 | Window Closed / Lapsed |