US722837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-brake.
Assignee: Individual
•
Filing: 1894-10-31
•
Granted: 1903-03-17
•
Expires: 1914-10-31
Abstract
No abstract record available.
Inventors
- 👤 Francois Leonidas Guillemet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/36; B60T15/42; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102; Y10T137/3105
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) | 1906-03-16 | 1906-09-15 | 1907-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-03-16 | 1910-09-15 | 1911-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-03-16 | 1914-09-15 | 1915-03-17 | $7700.00 | Window Closed / Lapsed |