Patent US2947554A successfully refreshed from Google Patents.
US2947554A
Expired / Lapsed
US
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Rack construction
Assignee: MORRIS KURTZON Inc
•
Filing: 1957-02-21
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Granted: 1960-08-02
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Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Koch David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:46
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/14; F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/30; F16B12/44; F16B12/50; Y; Y10; Y10T; Y10T403/00; Y10T403/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1059844A
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US1898343A
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US2037980A
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US2110158A
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US2238561A
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US2239360A
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US2308831A
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US2474727A
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US2815972A
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US2795337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |