US2471059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible support for ironing boards
Assignee: NOBLITT SPARKS IND Inc
•
Filing: 1946-02-08
•
Granted: 1949-05-24
•
Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Earl C Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
D; D06; D06F; D06F81/00; D06F81/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191111246A
Cited
US1463070A
Cited
US1627557A
Cited
US1606956A
Cited
US1762924A
Cited
US1869693A
Cited
US1919613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |