US942256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated-metal culvert.
Assignee: Individual
•
Filing: 1907-12-16
•
Granted: 1909-12-07
•
Expires: 1927-12-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Hague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L37/0925; Y; Y10; Y10S; Y10S285/00; Y10S285/903; Y10T; Y10T403/00; Y10T403/57; Y10T403/5761; Y10T403/5786
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) | 1912-12-06 | 1913-06-07 | 1913-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-12-06 | 1917-06-07 | 1917-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-12-06 | 1921-06-07 | 1921-12-07 | $7700.00 | Window Closed / Lapsed |