US2902945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling system
Assignee: American Monorail Co
•
Filing: 1954-01-27
•
Granted: 1959-09-08
•
Expires: 1974-01-27
Abstract
No abstract record available.
Inventors
- 👤 Simon Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:40
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/002; B61L23/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE307493C
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |