Patent US2954743A successfully refreshed from Google Patents.
US2954743A
Expired / Lapsed
US
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Monorail track and trolley
Assignee: Individual
•
Filing: 1958-07-02
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Granted: 1960-10-04
•
Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 George C Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:11
CPC Classifications
B; B61; B61C; B61C13/00; B61C13/04; E; E01; E01B; E01B25/00; E01B25/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US8324A
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US843418A
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US640050A
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US767863A
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US850136A
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US2175608A
Cited
US2439986A
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US2623475A
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US2781001A
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DE916936C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |