US2439769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ironing board leg and brace structure
Assignee: NOBLITT SPARKS IND Inc
•
Filing: 1945-04-09
•
Granted: 1948-04-13
•
Expires: 1965-04-09
Abstract
No abstract record available.
Inventors
- 👤 Earl C Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:52
CPC Classifications
D; D06; D06F; D06F81/00; D06F81/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32016; Y10T403/32254; Y10T403/32262; Y10T403/32271
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1343356A
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US1458314A
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US1545418A
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US1573691A
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US1792969A
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US1895164A
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US1987767A
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US2176302A
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US2179582A
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US2249983A
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US2352389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |