US2881271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolley bar conductor support
Assignee: Cleveland Crane and Engineering Co
•
Filing: 1953-11-02
•
Granted: 1959-04-07
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Alphonse F Anjeskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:05
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1404900A
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FR561378A
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US1722291A
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GB364317A
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US2137694A
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CH226150A
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US2452406A
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US2596022A
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US2677020A
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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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |