Patent US1862569A successfully refreshed from Google Patents.
US873069A
Expired / Lapsed
US
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Caisson construction.
Assignee: Individual
•
Filing: 1906-12-27
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Granted: 1907-12-10
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Expires: 1926-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alexander Z Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:43
CPC Classifications
E; E02; E02D; E02D23/00; E02D23/04; E02D23/06
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) | 1910-12-09 | 1911-06-10 | 1911-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-12-09 | 1915-06-10 | 1915-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-12-09 | 1919-06-10 | 1919-12-10 | $7700.00 | Window Closed / Lapsed |