Patent US2767493A successfully refreshed from Google Patents.
US2767493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ironing board assembly
Assignee: Ekco Products Co
•
Filing: 1953-02-16
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Granted: 1956-10-23
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Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Wagner Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:46
CPC Classifications
D; D06; D06F; D06F81/00; D06F81/02; D06F81/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1212744A
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US1976031A
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US1881047A
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US2320607A
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US2311612A
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US2546097A
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US2663102A
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US2661554A
Cited
US2659990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |