Patent US3474387A successfully refreshed from Google Patents.
US3474387A
Expired / Lapsed
US
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Zero insertion force connector and contact therefor
Assignee: Elco Corp
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Filing: 1967-04-13
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Granted: 1969-10-21
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Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 Alan Krum
- 👤 Herbert E Ruehlemann
- 👤 William S Scheingold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/82; H01R12/85; H01R12/89
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB885040A
Cited
FR1364127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |