US750852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic road-bed cleaner
Assignee: —
•
Filing: —
•
Granted: 1904-02-02
•
Expires: 1921-02-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:03
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34; E; E01; E01H; E01H8/00; E01H8/10; E01H8/105
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) | 1907-02-01 | 1907-08-03 | 1908-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-02-01 | 1911-08-03 | 1912-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-02-01 | 1915-08-03 | 1916-02-02 | $7700.00 | Window Closed / Lapsed |