US699273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep-boring apparatus.
Assignee: Individual
•
Filing: 1900-09-10
•
Granted: 1902-05-06
•
Expires: 1920-09-10
Abstract
No abstract record available.
Inventors
- 👤 Waclaw Wolski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
E; E21; E21B; E21B4/00; E21B4/06; E21B4/14; F; F16; F16K; F16K15/00; F16K15/14; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7879; Y10T137/7888; Y10T137/7889; Y10T137/789
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) | 1905-05-05 | 1905-11-04 | 1906-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-05-05 | 1909-11-04 | 1910-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-05-05 | 1913-11-04 | 1914-05-06 | $7700.00 | Window Closed / Lapsed |