Patent US2559460A successfully refreshed from Google Patents.
US2559460A
Expired / Lapsed
US
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Piling equipment for structural material
Assignee: Birdsboro Steel Foundry & Mach
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Filing: 1945-08-10
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Granted: 1951-07-03
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Expires: 1965-08-10
Abstract
No abstract record available.
Inventors
- 👤 Edward T Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:06
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18; B65G57/183; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102; Y10S414/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US208237A
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US639745A
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US944312A
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US1389794A
Cited
US1836690A
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US2103649A
Cited
US2319914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |