Patent US2677020A successfully refreshed from Google Patents.
US2677020A
Expired / Lapsed
US
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Trolley wire section switch
Assignee: Individual
•
Filing: 1950-11-17
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Granted: 1954-04-27
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Expires: 1970-11-17
Abstract
No abstract record available.
Inventors
- 👤 Albert H Genter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:31
CPC Classifications
B; B60; B60M; B60M1/00; B60M1/12; B60M1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US197721A
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US228429A
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US948789A
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US868368A
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US1451559A
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US1962259A
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US2492300A
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US2495569A
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US2596022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |