US755449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail chair and joint.
Assignee: Individual
•
Filing: 1903-07-18
•
Granted: 1904-03-22
•
Expires: 1923-07-18
Abstract
No abstract record available.
Inventors
- 👤 Conrad A Carbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
E; E01; E01B; E01B11/00; E01B11/56; E01B11/62
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) | 1907-03-22 | 1907-09-21 | 1908-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-22 | 1911-09-21 | 1912-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-22 | 1915-09-21 | 1916-03-22 | $7700.00 | Window Closed / Lapsed |