Patent US2887068A successfully refreshed from Google Patents.
US2887068A
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Overhead monorail system and track switch therefor
Assignee: Cleveland Crane and Engineering Co
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Filing: 1956-02-27
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Granted: 1959-05-19
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Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harry A Cotesworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:16
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/002; E; E01; E01B; E01B25/00; E01B25/22; E01B25/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1632557A
Cited
US1379614A
Cited
US1678618A
Cited
FR923618A
Cited
US2526819A
Cited
US2651714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |