US2915019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monorail cleaner
Assignee: Individual
•
Filing: 1957-06-26
•
Granted: 1959-12-01
•
Expires: 1977-06-26
Abstract
No abstract record available.
Inventors
- 👤 Harold E Tieman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:25
CPC Classifications
B; B65; B65G; B65G9/00; B65G45/00; B65G45/10; B65G45/12; B65G45/14; E; E21; E21D; E21D15/00; E21D15/14; E21D15/15; E21D15/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |