US2440288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical socket
Assignee: Individual
•
Filing: 1944-06-14
•
Granted: 1948-04-27
•
Expires: 1964-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles L Paulus
- 👤 Raymond K Stout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR579140A
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US1985459A
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US2081703A
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US2294737A
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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) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |