US2721407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable ironing board
Assignee: Individual
•
Filing: 1953-08-10
•
Granted: 1955-10-25
•
Expires: 1973-08-10
Abstract
No abstract record available.
Inventors
- 👤 Hazel E Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
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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US2622353A
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US2675635A
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US2545699A
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US2685752A
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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) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |