US804945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth-anchor.
Assignee: Individual
•
Filing: 1904-12-05
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Granted: 1905-11-21
•
Expires: 1924-12-05
Abstract
No abstract record available.
Inventors
- 👤 Charles Handel
- 👤 George B Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:47
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/801
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) | 1908-11-20 | 1909-05-22 | 1909-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-20 | 1913-05-22 | 1913-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-20 | 1917-05-22 | 1917-11-21 | $7700.00 | Window Closed / Lapsed |