Patent US2657889A successfully refreshed from Google Patents.
US2657889A
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Secondary rack
Assignee: Joslyn Manufacturing and Supply Co
•
Filing: 1949-05-21
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Granted: 1953-11-03
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Expires: 1969-05-21
Abstract
No abstract record available.
Inventors
- 👤 Burton M Smalley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:49
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/223; F16L3/227; H; H01; H01B; H01B17/00; H01B17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1616360A
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US1685684A
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US1524141A
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US1821222A
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US1996326A
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US2008744A
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US2300673A
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US2302883A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |