US3136593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connector grounding apparatus
Assignee: Individual
•
Filing: 1962-05-31
•
Granted: 1964-06-09
•
Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Edward F Ehrman
- 👤 Frederick J Sparber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/648; H01R13/658; H01R13/6581; H01R13/6582; H01R13/6583; H01R13/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE704450C
Cited
US2425834A
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GB639979A
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US2822418A
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US2760177A
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US2755331A
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US2704354A
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DE1025478B
Cited
CH353783A
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US3054981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |