US2498557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for pivotally supporting and bracing ironing boards
Assignee: Individual
•
Filing: 1945-03-29
•
Granted: 1950-02-21
•
Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Lantz Alpha Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:11
CPC Classifications
D; D06; D06F; D06F81/00; D06F81/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US503243A
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US188186A
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US976621A
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US1168500A
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US1465529A
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US1590241A
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US1631440A
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US1488735A
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US1706235A
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US1868185A
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US1912541A
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US2312638A
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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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |