Patent US2605680A successfully refreshed from Google Patents.
US2605680A
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Load transfer device
Assignee: TEXAS FOUNDRIES Inc
•
Filing: 1945-02-23
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Granted: 1952-08-05
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Expires: 1965-02-23
Abstract
No abstract record available.
Inventors
- 👤 Yeoman Ray Cyrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:40
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/14; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039775A
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US2094853A
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US2167423A
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US2205810A
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US2244337A
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US2308677A
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US2330214A
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US2358328A
Cited
US2305979A
Cited
US2419022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |