US825052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete construction.
Assignee: Individual
•
Filing: 1904-10-04
•
Granted: 1906-07-03
•
Expires: 1924-10-04
Abstract
No abstract record available.
Inventors
- 👤 Francis Maxwell Henry
- 👤 John Gunn Madden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:19
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/28; B28B7/30
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) | 1909-07-02 | 1910-01-01 | 1910-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-02 | 1914-01-01 | 1914-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-02 | 1918-01-01 | 1918-07-03 | $7700.00 | Window Closed / Lapsed |