Patent US1450561A successfully refreshed from Google Patents.
US842379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track gage and level.
Assignee: Individual
•
Filing: 1906-05-26
•
Granted: 1907-01-29
•
Expires: 1926-05-26
Abstract
No abstract record available.
Inventors
- 👤 Louis Barceloux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:16
CPC Classifications
E; E01; E01B; E01B35/00; E01B35/02; E01B35/04; E01B2203/00; E01B2203/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-01-28 | 1910-07-30 | 1911-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-01-28 | 1914-07-30 | 1915-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-01-28 | 1918-07-30 | 1919-01-29 | $7700.00 | Window Closed / Lapsed |