US2584431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible wall receptacle
Assignee: Walker Manufacturing Company of Wisconsin
•
Filing: 1946-06-24
•
Granted: 1952-02-05
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Irwin E Dearsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:17
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1897581A
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US1508654A
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US1589697A
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US1685697A
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US2105160A
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US2198196A
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US2170029A
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US2317395A
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US2315572A
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US2352390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |