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US701992A
Expired / Lapsed
US
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Post-hole digger.
Assignee: DAVID N COLEMAN
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Filing: 1902-01-23
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Granted: 1902-06-10
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Expires: 1922-01-23
Abstract
No abstract record available.
Inventors
- 👤 David A Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:01
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/28; E21B7/30
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) | 1905-06-09 | 1905-12-09 | 1906-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-06-09 | 1909-12-09 | 1910-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-06-09 | 1913-12-09 | 1914-06-10 | $7700.00 | Window Closed / Lapsed |