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US2473127A
Expired / Lapsed
US
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Elevator bridge
Assignee: Individual
•
Filing: 1946-04-26
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Granted: 1949-06-14
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Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Elisha E Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
B; B66; B66B; B66B17/00; B66B17/14; B66B17/16; B66B17/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1278726A
Cited
US2120081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |