US468269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-brace-framed concrete pipe
Assignee: —
•
Filing: —
•
Granted: 1892-02-02
•
Expires: 1909-02-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:50
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/08; Y; Y10; Y10S; Y10S425/00; Y10S425/13
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) | 1895-02-01 | 1895-08-03 | 1896-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-02-01 | 1899-08-03 | 1900-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-02-02 | 1903-08-04 | 1904-02-03 | $7700.00 | Window Closed / Lapsed |