Patent US2469298A successfully refreshed from Google Patents.
US2469298A
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Rack structure
Assignee: IMAGINEERING Corp
•
Filing: 1945-10-04
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Granted: 1949-05-03
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Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward M Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:53
CPC Classifications
D; D06; D06F; D06F57/00; D06F57/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337566A
Cited
US395775A
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US867646A
Cited
US1442395A
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US1494916A
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US1724218A
Cited
US1969510A
Cited
US2126513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |