Patent US2628111A successfully refreshed from Google Patents.
US2544232A
Expired / Lapsed
US
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Electrical outlet box
Assignee: National Electric Products Corp
•
Filing: 1948-06-01
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Granted: 1951-03-06
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Expires: 1968-06-01
Abstract
No abstract record available.
Inventors
- 👤 Frank J Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:43
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/081; H02G3/083; H02G3/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US180329A
Cited
US607989A
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US782417A
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US781778A
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US1072009A
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GB191129162A
Cited
US1447600A
Cited
US1471340A
Cited
US1428195A
Cited
US1971908A
Cited
US2076342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |