Patent US2638575A successfully refreshed from Google Patents.
US2638575A
Expired / Lapsed
US
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Apertured panel socket mount
Assignee: WADE ELECTRIC PRODUCTS CO
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Filing: 1949-11-03
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Granted: 1953-05-12
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Expires: 1969-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert D Winkelmeyer
- 👤 Vincent R Herterick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/73; H01R13/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |