US2443513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact socket
Assignee: Individual
•
Filing: 1944-04-28
•
Granted: 1948-06-15
•
Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
- 👤 Quackenbush Edward Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:56
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/20; H01R2107/00; H01R24/28; Y; Y10; Y10S; Y10S439/00; Y10S439/933; Y10S439/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US301446A
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US1335943A
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GB388894A
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US2171726A
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US2286952A
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US2312002A
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US2307972A
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US2371551A
Cited
US2383909A
Cited
US2369630A
Cited
US2346831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |