US973022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain-tile outlet.
Assignee: Individual
•
Filing: 1908-11-18
•
Granted: 1910-10-18
•
Expires: 1928-11-18
Abstract
No abstract record available.
Inventors
- 👤 James Fitzpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:12
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0401; E03F5/0404; E02; E02B; E02B13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902; Y10T137/7903
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) | 1913-10-17 | 1914-04-18 | 1914-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-17 | 1918-04-18 | 1918-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-17 | 1922-04-18 | 1922-10-18 | $7700.00 | Window Closed / Lapsed |