US2585070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable electric extension cord switch
Assignee: Individual
•
Filing: 1949-05-27
•
Granted: 1952-02-12
•
Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Roger G J Allard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR738942A
Cited
US854554A
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US1256016A
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US1693884A
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US1754072A
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US1697033A
Cited
US2037630A
Cited
US1975419A
Cited
US1978734A
Cited
US2013733A
Cited
US2136848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |