Patent US2669643A successfully refreshed from Google Patents.
US2669643A
Expired / Lapsed
US
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Safety device for steam irons
Assignee: Casco Products Corp
•
Filing: 1949-09-01
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Granted: 1954-02-16
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Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:33
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/10; D06F75/14; D06F75/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1649506A
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US1744716A
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US1756787A
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US2292807A
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US2345413A
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US2369932A
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US2422974A
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US2483628A
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US2475572A
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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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |