US1071102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal culvert.
Assignee: Individual
•
Filing: 1912-11-11
•
Granted: 1913-08-26
•
Expires: 1932-11-11
Abstract
No abstract record available.
Inventors
- 👤 William T Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/12; F16L23/14; Y; Y10; Y10S; Y10S285/00; Y10S285/903
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) | 1916-08-25 | 1917-02-24 | 1917-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-08-25 | 1921-02-24 | 1921-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-08-25 | 1925-02-24 | 1925-08-26 | $7700.00 | Window Closed / Lapsed |