US1211902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-track cleaner.
Assignee: Individual
•
Filing: 1916-03-29
•
Granted: 1917-01-09
•
Expires: 1936-03-29
Abstract
No abstract record available.
Inventors
- 👤 Frank L Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10; E01H8/105; A; A47; A47L; A47L5/00; A47L5/12; A47L5/14
Claims Analysis
Total Claims: 0
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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) | 1920-01-09 | 1920-07-10 | 1921-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-09 | 1924-07-10 | 1925-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-09 | 1928-07-10 | 1929-01-09 | $7700.00 | Window Closed / Lapsed |