US2698100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip stack device
Assignee: FRIED STEEL EQUIPMENT Manufacturing COPR
•
Filing: 1952-04-23
•
Granted: 1954-12-28
•
Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Fried Celia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:19
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US486584A
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US574047A
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US585238A
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US604146A
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US1708948A
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US850107A
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US1220798A
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US1293664A
Cited
US2497149A
Cited
GB648462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |