US508365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engineer s brake-valve
Assignee: —
•
Filing: —
•
Granted: 1893-11-07
•
Expires: 1910-11-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:08
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/043; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646
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) | 1896-11-06 | 1897-05-08 | 1897-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-11-07 | 1901-05-09 | 1901-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-11-07 | 1905-05-09 | 1905-11-08 | $7700.00 | Window Closed / Lapsed |