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Patent US2923077A successfully refreshed from Google Patents.
US2923077A
Expired / Lapsed
US
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Ironing boards
Assignee: SIMPLUS PRODUCTS Ltd
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Filing: 1956-12-17
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Granted: 1960-02-02
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Tipping William Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
D; D06; D06F; D06F81/00; D06F81/02; D06F81/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |