US2503569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connecting device
Assignee: Edwards and Co Inc
•
Filing: 1947-04-11
•
Granted: 1950-04-11
•
Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Leo L Verkuil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1911513A
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US2000318A
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US2239035A
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US2419018A
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US2425670A
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US2405735A
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US2475149A
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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) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |