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Patent US3518620A successfully refreshed from Google Patents.
US3518620A
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US
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Connector keying device
Assignee: TE Connectivity Corp
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Filing: 1968-04-11
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Granted: 1970-06-30
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Expires: 1988-04-11
Abstract
No abstract record available.
Inventors
- 👤 Dale Nelson Bushey
- 👤 Robert Linn Showman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/7005; H01R13/00; H01R13/64; H01R13/645; H01R13/6456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2984814A
Cited
US3166372A
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US3181974A
Cited
US3184707A
Cited
US3316521A
Cited
US3287031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |